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Finding the Fourth Proportional to 651,301.20, 976,951.80 and 585,982.80

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Solution

The fourth proportional to 651,301.20, 976,951.80 and 585,982.80 is: 878,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,301.20 : 976,951.80 = 585,982.80 : x
  2. Step 2: Convert to fraction form
    651,301.20/976,951.80 = 585,982.80/x
  3. Step 3: Cross multiply
    651,301.20x = 976,951.80 × 585,982.80
  4. Step 4: Simplify right side
    651,301.20x = 572,476,951,229.04
  5. Step 5: Solve for x
    x = 572,476,951,229.04/651,301.20
  6. Step 6: Final answer
    x = 878,974.20

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Double scale
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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.