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Finding the Fourth Proportional to 502,690.20, 754,035.30 and 303,624.60

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Solution

The fourth proportional to 502,690.20, 754,035.30 and 303,624.60 is: 455,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,690.20 : 754,035.30 = 303,624.60 : x
  2. Step 2: Convert to fraction form
    502,690.20/754,035.30 = 303,624.60/x
  3. Step 3: Cross multiply
    502,690.20x = 754,035.30 × 303,624.60
  4. Step 4: Simplify right side
    502,690.20x = 228,943,666,348.38
  5. Step 5: Solve for x
    x = 228,943,666,348.38/502,690.20
  6. Step 6: Final answer
    x = 455,436.90

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Similar ratio
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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.