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Finding the Fourth Proportional to 585,092.60, 877,638.90 and 490,614.20

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Solution

The fourth proportional to 585,092.60, 877,638.90 and 490,614.20 is: 735,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,092.60 : 877,638.90 = 490,614.20 : x
  2. Step 2: Convert to fraction form
    585,092.60/877,638.90 = 490,614.20/x
  3. Step 3: Cross multiply
    585,092.60x = 877,638.90 × 490,614.20
  4. Step 4: Simplify right side
    585,092.60x = 430,582,106,812.38
  5. Step 5: Solve for x
    x = 430,582,106,812.38/585,092.60
  6. Step 6: Final answer
    x = 735,921.30

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Similar ratio
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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.