Home / 712,103.59-1,067,417.27-445,251.32

Finding the Fourth Proportional to 712,103.59, 1,067,417.27 and 445,251.32

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Solution

The fourth proportional to 712,103.59, 1,067,417.27 and 445,251.32 is: 667,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,103.59 : 1,067,417.27 = 445,251.32 : x
  2. Step 2: Convert to fraction form
    712,103.59/1,067,417.27 = 445,251.32/x
  3. Step 3: Cross multiply
    712,103.59x = 1,067,417.27 × 445,251.32
  4. Step 4: Simplify right side
    712,103.59x = 475,268,948,458.30
  5. Step 5: Solve for x
    x = 475,268,948,458.30/712,103.59
  6. Step 6: Final answer
    x = 667,415.46

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Double scale
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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.