Home / 730,812.10-1,096,218.15-478,869.70

Finding the Fourth Proportional to 730,812.10, 1,096,218.15 and 478,869.70

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Solution

The fourth proportional to 730,812.10, 1,096,218.15 and 478,869.70 is: 718,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,812.10 : 1,096,218.15 = 478,869.70 : x
  2. Step 2: Convert to fraction form
    730,812.10/1,096,218.15 = 478,869.70/x
  3. Step 3: Cross multiply
    730,812.10x = 1,096,218.15 × 478,869.70
  4. Step 4: Simplify right side
    730,812.10x = 524,945,656,625.06
  5. Step 5: Solve for x
    x = 524,945,656,625.06/730,812.10
  6. Step 6: Final answer
    x = 718,304.55

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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.