Home / 749,414.80-1,124,180.88-216,943.84

Finding the Fourth Proportional to 749,414.80, 1,124,180.88 and 216,943.84

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Solution

The fourth proportional to 749,414.80, 1,124,180.88 and 216,943.84 is: 325,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,414.80 : 1,124,180.88 = 216,943.84 : x
  2. Step 2: Convert to fraction form
    749,414.80/1,124,180.88 = 216,943.84/x
  3. Step 3: Cross multiply
    749,414.80x = 1,124,180.88 × 216,943.84
  4. Step 4: Simplify right side
    749,414.80x = 243,884,116,961.78
  5. Step 5: Solve for x
    x = 243,884,116,961.78/749,414.80
  6. Step 6: Final answer
    x = 325,432.75

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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.