Home / 672,337.92-927,867.84-370,531.20

Finding the Fourth Proportional to 672,337.92, 927,867.84 and 370,531.20

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Solution

The fourth proportional to 672,337.92, 927,867.84 and 370,531.20 is: 511,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,337.92 : 927,867.84 = 370,531.20 : x
  2. Step 2: Convert to fraction form
    672,337.92/927,867.84 = 370,531.20/x
  3. Step 3: Cross multiply
    672,337.92x = 927,867.84 × 370,531.20
  4. Step 4: Simplify right side
    672,337.92x = 343,803,984,196.61
  5. Step 5: Solve for x
    x = 343,803,984,196.61/672,337.92
  6. Step 6: Final answer
    x = 511,355.93

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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.