Home / 971,040.75-1,456,561.13-306,192.75

Finding the Fourth Proportional to 971,040.75, 1,456,561.13 and 306,192.75

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Solution

The fourth proportional to 971,040.75, 1,456,561.13 and 306,192.75 is: 459,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,040.75 : 1,456,561.13 = 306,192.75 : x
  2. Step 2: Convert to fraction form
    971,040.75/1,456,561.13 = 306,192.75/x
  3. Step 3: Cross multiply
    971,040.75x = 1,456,561.13 × 306,192.75
  4. Step 4: Simplify right side
    971,040.75x = 445,988,456,406.84
  5. Step 5: Solve for x
    x = 445,988,456,406.84/971,040.75
  6. Step 6: Final answer
    x = 459,289.13

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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.