Home / 497,749.40-746,624.10-329,787.80

Finding the Fourth Proportional to 497,749.40, 746,624.10 and 329,787.80

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Solution

The fourth proportional to 497,749.40, 746,624.10 and 329,787.80 is: 494,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,749.40 : 746,624.10 = 329,787.80 : x
  2. Step 2: Convert to fraction form
    497,749.40/746,624.10 = 329,787.80/x
  3. Step 3: Cross multiply
    497,749.40x = 746,624.10 × 329,787.80
  4. Step 4: Simplify right side
    497,749.40x = 246,227,519,365.98
  5. Step 5: Solve for x
    x = 246,227,519,365.98/497,749.40
  6. Step 6: Final answer
    x = 494,681.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.