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Finding the Fourth Proportional to 720,457.59, 994,166.13 and 414,452.55

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Solution

The fourth proportional to 720,457.59, 994,166.13 and 414,452.55 is: 571,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,457.59 : 994,166.13 = 414,452.55 : x
  2. Step 2: Convert to fraction form
    720,457.59/994,166.13 = 414,452.55/x
  3. Step 3: Cross multiply
    720,457.59x = 994,166.13 × 414,452.55
  4. Step 4: Simplify right side
    720,457.59x = 412,034,687,702.13
  5. Step 5: Solve for x
    x = 412,034,687,702.13/720,457.59
  6. Step 6: Final answer
    x = 571,906.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.