Home / 724,494.40-1,086,741.60-441,059.20

Finding the Fourth Proportional to 724,494.40, 1,086,741.60 and 441,059.20

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Solution

The fourth proportional to 724,494.40, 1,086,741.60 and 441,059.20 is: 661,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,494.40 : 1,086,741.60 = 441,059.20 : x
  2. Step 2: Convert to fraction form
    724,494.40/1,086,741.60 = 441,059.20/x
  3. Step 3: Cross multiply
    724,494.40x = 1,086,741.60 × 441,059.20
  4. Step 4: Simplify right side
    724,494.40x = 479,317,380,702.72
  5. Step 5: Solve for x
    x = 479,317,380,702.72/724,494.40
  6. Step 6: Final answer
    x = 661,588.80

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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.