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Finding the Fourth Proportional to 590,301.28, 885,451.92 and 325,743.31

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Solution

The fourth proportional to 590,301.28, 885,451.92 and 325,743.31 is: 488,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,301.28 : 885,451.92 = 325,743.31 : x
  2. Step 2: Convert to fraction form
    590,301.28/885,451.92 = 325,743.31/x
  3. Step 3: Cross multiply
    590,301.28x = 885,451.92 × 325,743.31
  4. Step 4: Simplify right side
    590,301.28x = 288,430,036,003.57
  5. Step 5: Solve for x
    x = 288,430,036,003.57/590,301.28
  6. Step 6: Final answer
    x = 488,614.96

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Double scale
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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.