Home / 729,180.48-1,006,003.26-453,520.20

Finding the Fourth Proportional to 729,180.48, 1,006,003.26 and 453,520.20

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Solution

The fourth proportional to 729,180.48, 1,006,003.26 and 453,520.20 is: 625,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,180.48 : 1,006,003.26 = 453,520.20 : x
  2. Step 2: Convert to fraction form
    729,180.48/1,006,003.26 = 453,520.20/x
  3. Step 3: Cross multiply
    729,180.48x = 1,006,003.26 × 453,520.20
  4. Step 4: Simplify right side
    729,180.48x = 456,242,799,675.85
  5. Step 5: Solve for x
    x = 456,242,799,675.85/729,180.48
  6. Step 6: Final answer
    x = 625,692.56

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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.