Home / 732,640.20-1,098,960.30-520,063.80

Finding the Fourth Proportional to 732,640.20, 1,098,960.30 and 520,063.80

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Solution

The fourth proportional to 732,640.20, 1,098,960.30 and 520,063.80 is: 780,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,640.20 : 1,098,960.30 = 520,063.80 : x
  2. Step 2: Convert to fraction form
    732,640.20/1,098,960.30 = 520,063.80/x
  3. Step 3: Cross multiply
    732,640.20x = 1,098,960.30 × 520,063.80
  4. Step 4: Simplify right side
    732,640.20x = 571,529,469,667.14
  5. Step 5: Solve for x
    x = 571,529,469,667.14/732,640.20
  6. Step 6: Final answer
    x = 780,095.70

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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.