Home / 684,248.31-944,224.70-378,306.86

Finding the Fourth Proportional to 684,248.31, 944,224.70 and 378,306.86

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Solution

The fourth proportional to 684,248.31, 944,224.70 and 378,306.86 is: 522,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,248.31 : 944,224.70 = 378,306.86 : x
  2. Step 2: Convert to fraction form
    684,248.31/944,224.70 = 378,306.86/x
  3. Step 3: Cross multiply
    684,248.31x = 944,224.70 × 378,306.86
  4. Step 4: Simplify right side
    684,248.31x = 357,206,674,778.78
  5. Step 5: Solve for x
    x = 357,206,674,778.78/684,248.31
  6. Step 6: Final answer
    x = 522,042.47

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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.