Home / 747,306-1,031,748.84-479,500.56

Finding the Fourth Proportional to 747,306, 1,031,748.84 and 479,500.56

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Solution

The fourth proportional to 747,306, 1,031,748.84 and 479,500.56 is: 662,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,306 : 1,031,748.84 = 479,500.56 : x
  2. Step 2: Convert to fraction form
    747,306/1,031,748.84 = 479,500.56/x
  3. Step 3: Cross multiply
    747,306x = 1,031,748.84 × 479,500.56
  4. Step 4: Simplify right side
    747,306x = 494,724,146,559.35
  5. Step 5: Solve for x
    x = 494,724,146,559.35/747,306
  6. Step 6: Final answer
    x = 662,010.14

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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.