Home / 721,984.24-996,442.52-416,002.04

Finding the Fourth Proportional to 721,984.24, 996,442.52 and 416,002.04

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Solution

The fourth proportional to 721,984.24, 996,442.52 and 416,002.04 is: 574,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,984.24 : 996,442.52 = 416,002.04 : x
  2. Step 2: Convert to fraction form
    721,984.24/996,442.52 = 416,002.04/x
  3. Step 3: Cross multiply
    721,984.24x = 996,442.52 × 416,002.04
  4. Step 4: Simplify right side
    721,984.24x = 414,522,121,062.74
  5. Step 5: Solve for x
    x = 414,522,121,062.74/721,984.24
  6. Step 6: Final answer
    x = 574,142.89

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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.