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Finding the Fourth Proportional to 590,469.60, 885,704.40 and 291,007.20

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Solution

The fourth proportional to 590,469.60, 885,704.40 and 291,007.20 is: 436,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,469.60 : 885,704.40 = 291,007.20 : x
  2. Step 2: Convert to fraction form
    590,469.60/885,704.40 = 291,007.20/x
  3. Step 3: Cross multiply
    590,469.60x = 885,704.40 × 291,007.20
  4. Step 4: Simplify right side
    590,469.60x = 257,746,357,471.68
  5. Step 5: Solve for x
    x = 257,746,357,471.68/590,469.60
  6. Step 6: Final answer
    x = 436,510.80

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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.