Home / 741,701.64-1,023,426.96-487,368.12

Finding the Fourth Proportional to 741,701.64, 1,023,426.96 and 487,368.12

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Solution

The fourth proportional to 741,701.64, 1,023,426.96 and 487,368.12 is: 672,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,701.64 : 1,023,426.96 = 487,368.12 : x
  2. Step 2: Convert to fraction form
    741,701.64/1,023,426.96 = 487,368.12/x
  3. Step 3: Cross multiply
    741,701.64x = 1,023,426.96 × 487,368.12
  4. Step 4: Simplify right side
    741,701.64x = 498,785,673,452.52
  5. Step 5: Solve for x
    x = 498,785,673,452.52/741,701.64
  6. Step 6: Final answer
    x = 672,488.30

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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.