Home / 758,520.92-1,046,738.82-418,981.88

Finding the Fourth Proportional to 758,520.92, 1,046,738.82 and 418,981.88

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Solution

The fourth proportional to 758,520.92, 1,046,738.82 and 418,981.88 is: 578,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,520.92 : 1,046,738.82 = 418,981.88 : x
  2. Step 2: Convert to fraction form
    758,520.92/1,046,738.82 = 418,981.88/x
  3. Step 3: Cross multiply
    758,520.92x = 1,046,738.82 × 418,981.88
  4. Step 4: Simplify right side
    758,520.92x = 438,564,598,672.58
  5. Step 5: Solve for x
    x = 438,564,598,672.58/758,520.92
  6. Step 6: Final answer
    x = 578,183.92

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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.