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Finding the Fourth Proportional to 440,233.70, 660,350.55 and 282,640.10

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Solution

The fourth proportional to 440,233.70, 660,350.55 and 282,640.10 is: 423,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,233.70 : 660,350.55 = 282,640.10 : x
  2. Step 2: Convert to fraction form
    440,233.70/660,350.55 = 282,640.10/x
  3. Step 3: Cross multiply
    440,233.70x = 660,350.55 × 282,640.10
  4. Step 4: Simplify right side
    440,233.70x = 186,641,545,487.06
  5. Step 5: Solve for x
    x = 186,641,545,487.06/440,233.70
  6. Step 6: Final answer
    x = 423,960.15

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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.