Home / 838,589.72-1,157,217.68-476,006.98

Finding the Fourth Proportional to 838,589.72, 1,157,217.68 and 476,006.98

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Solution

The fourth proportional to 838,589.72, 1,157,217.68 and 476,006.98 is: 656,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,589.72 : 1,157,217.68 = 476,006.98 : x
  2. Step 2: Convert to fraction form
    838,589.72/1,157,217.68 = 476,006.98/x
  3. Step 3: Cross multiply
    838,589.72x = 1,157,217.68 × 476,006.98
  4. Step 4: Simplify right side
    838,589.72x = 550,843,693,059.41
  5. Step 5: Solve for x
    x = 550,843,693,059.41/838,589.72
  6. Step 6: Final answer
    x = 656,869.12

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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.