Home / 723,755.12-998,827.36-417,887.52

Finding the Fourth Proportional to 723,755.12, 998,827.36 and 417,887.52

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Solution

The fourth proportional to 723,755.12, 998,827.36 and 417,887.52 is: 576,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,755.12 : 998,827.36 = 417,887.52 : x
  2. Step 2: Convert to fraction form
    723,755.12/998,827.36 = 417,887.52/x
  3. Step 3: Cross multiply
    723,755.12x = 998,827.36 × 417,887.52
  4. Step 4: Simplify right side
    723,755.12x = 417,397,488,378.55
  5. Step 5: Solve for x
    x = 417,397,488,378.55/723,755.12
  6. Step 6: Final answer
    x = 576,710.93

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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.