Home / 736,591.28-1,016,135.72-449,613.20

Finding the Fourth Proportional to 736,591.28, 1,016,135.72 and 449,613.20

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Solution

The fourth proportional to 736,591.28, 1,016,135.72 and 449,613.20 is: 620,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,591.28 : 1,016,135.72 = 449,613.20 : x
  2. Step 2: Convert to fraction form
    736,591.28/1,016,135.72 = 449,613.20/x
  3. Step 3: Cross multiply
    736,591.28x = 1,016,135.72 × 449,613.20
  4. Step 4: Simplify right side
    736,591.28x = 456,868,032,703.50
  5. Step 5: Solve for x
    x = 456,868,032,703.50/736,591.28
  6. Step 6: Final answer
    x = 620,246.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.