Home / 724,443.60-1,086,665.40-441,008.40

Finding the Fourth Proportional to 724,443.60, 1,086,665.40 and 441,008.40

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Solution

The fourth proportional to 724,443.60, 1,086,665.40 and 441,008.40 is: 661,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,443.60 : 1,086,665.40 = 441,008.40 : x
  2. Step 2: Convert to fraction form
    724,443.60/1,086,665.40 = 441,008.40/x
  3. Step 3: Cross multiply
    724,443.60x = 1,086,665.40 × 441,008.40
  4. Step 4: Simplify right side
    724,443.60x = 479,228,569,389.36
  5. Step 5: Solve for x
    x = 479,228,569,389.36/724,443.60
  6. Step 6: Final answer
    x = 661,512.60

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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.