Home / 738,540.60-1,108,248.30-538,357.20

Finding the Fourth Proportional to 738,540.60, 1,108,248.30 and 538,357.20

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Solution

The fourth proportional to 738,540.60, 1,108,248.30 and 538,357.20 is: 807,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,540.60 : 1,108,248.30 = 538,357.20 : x
  2. Step 2: Convert to fraction form
    738,540.60/1,108,248.30 = 538,357.20/x
  3. Step 3: Cross multiply
    738,540.60x = 1,108,248.30 × 538,357.20
  4. Step 4: Simplify right side
    738,540.60x = 596,633,451,692.76
  5. Step 5: Solve for x
    x = 596,633,451,692.76/738,540.60
  6. Step 6: Final answer
    x = 807,854.64

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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.