Home / 729,530.20-1,093,712.10-308,459.80

Finding the Fourth Proportional to 729,530.20, 1,093,712.10 and 308,459.80

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Solution

The fourth proportional to 729,530.20, 1,093,712.10 and 308,459.80 is: 462,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,530.20 : 1,093,712.10 = 308,459.80 : x
  2. Step 2: Convert to fraction form
    729,530.20/1,093,712.10 = 308,459.80/x
  3. Step 3: Cross multiply
    729,530.20x = 1,093,712.10 × 308,459.80
  4. Step 4: Simplify right side
    729,530.20x = 337,366,215,623.58
  5. Step 5: Solve for x
    x = 337,366,215,623.58/729,530.20
  6. Step 6: Final answer
    x = 462,443.11

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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.