Home / 732,640.70-1,098,961.05-520,064.30

Finding the Fourth Proportional to 732,640.70, 1,098,961.05 and 520,064.30

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Solution

The fourth proportional to 732,640.70, 1,098,961.05 and 520,064.30 is: 780,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,640.70 : 1,098,961.05 = 520,064.30 : x
  2. Step 2: Convert to fraction form
    732,640.70/1,098,961.05 = 520,064.30/x
  3. Step 3: Cross multiply
    732,640.70x = 1,098,961.05 × 520,064.30
  4. Step 4: Simplify right side
    732,640.70x = 571,530,409,195.52
  5. Step 5: Solve for x
    x = 571,530,409,195.52/732,640.70
  6. Step 6: Final answer
    x = 780,096.45

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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.