Home / 689,691.40-1,035,314.70-532,616.20

Finding the Fourth Proportional to 689,691.40, 1,035,314.70 and 532,616.20

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Solution

The fourth proportional to 689,691.40, 1,035,314.70 and 532,616.20 is: 799,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,691.40 : 1,035,314.70 = 532,616.20 : x
  2. Step 2: Convert to fraction form
    689,691.40/1,035,314.70 = 532,616.20/x
  3. Step 3: Cross multiply
    689,691.40x = 1,035,314.70 × 532,616.20
  4. Step 4: Simplify right side
    689,691.40x = 551,425,381,318.14
  5. Step 5: Solve for x
    x = 551,425,381,318.14/689,691.40
  6. Step 6: Final answer
    x = 799,524.80

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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.