Home / 744,909.60-1,117,364.40-446,311.20

Finding the Fourth Proportional to 744,909.60, 1,117,364.40 and 446,311.20

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Solution

The fourth proportional to 744,909.60, 1,117,364.40 and 446,311.20 is: 669,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,909.60 : 1,117,364.40 = 446,311.20 : x
  2. Step 2: Convert to fraction form
    744,909.60/1,117,364.40 = 446,311.20/x
  3. Step 3: Cross multiply
    744,909.60x = 1,117,364.40 × 446,311.20
  4. Step 4: Simplify right side
    744,909.60x = 498,692,246,201.28
  5. Step 5: Solve for x
    x = 498,692,246,201.28/744,909.60
  6. Step 6: Final answer
    x = 669,466.80

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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.