Home / 744,935.60-1,117,403.40-446,337.20

Finding the Fourth Proportional to 744,935.60, 1,117,403.40 and 446,337.20

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Solution

The fourth proportional to 744,935.60, 1,117,403.40 and 446,337.20 is: 669,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,935.60 : 1,117,403.40 = 446,337.20 : x
  2. Step 2: Convert to fraction form
    744,935.60/1,117,403.40 = 446,337.20/x
  3. Step 3: Cross multiply
    744,935.60x = 1,117,403.40 × 446,337.20
  4. Step 4: Simplify right side
    744,935.60x = 498,738,704,826.48
  5. Step 5: Solve for x
    x = 498,738,704,826.48/744,935.60
  6. Step 6: Final answer
    x = 669,505.80

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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.