Home / 766,148.87-1,057,125.04-443,839.74

Finding the Fourth Proportional to 766,148.87, 1,057,125.04 and 443,839.74

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Solution

The fourth proportional to 766,148.87, 1,057,125.04 and 443,839.74 is: 612,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,148.87 : 1,057,125.04 = 443,839.74 : x
  2. Step 2: Convert to fraction form
    766,148.87/1,057,125.04 = 443,839.74/x
  3. Step 3: Cross multiply
    766,148.87x = 1,057,125.04 × 443,839.74
  4. Step 4: Simplify right side
    766,148.87x = 469,194,102,901.09
  5. Step 5: Solve for x
    x = 469,194,102,901.09/766,148.87
  6. Step 6: Final answer
    x = 612,405.92

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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.