Home / 1,068,432.75-1,602,649.13-320,478.75

Finding the Fourth Proportional to 1,068,432.75, 1,602,649.13 and 320,478.75

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Solution

The fourth proportional to 1,068,432.75, 1,602,649.13 and 320,478.75 is: 480,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,432.75 : 1,602,649.13 = 320,478.75 : x
  2. Step 2: Convert to fraction form
    1,068,432.75/1,602,649.13 = 320,478.75/x
  3. Step 3: Cross multiply
    1,068,432.75x = 1,602,649.13 × 320,478.75
  4. Step 4: Simplify right side
    1,068,432.75x = 513,614,988,268.59
  5. Step 5: Solve for x
    x = 513,614,988,268.59/1,068,432.75
  6. Step 6: Final answer
    x = 480,718.13

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.