Home / 723,829.08-1,086,297.88-521,327.90

Finding the Fourth Proportional to 723,829.08, 1,086,297.88 and 521,327.90

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Solution

The fourth proportional to 723,829.08, 1,086,297.88 and 521,327.90 is: 782,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,829.08 : 1,086,297.88 = 521,327.90 : x
  2. Step 2: Convert to fraction form
    723,829.08/1,086,297.88 = 521,327.90/x
  3. Step 3: Cross multiply
    723,829.08x = 1,086,297.88 × 521,327.90
  4. Step 4: Simplify right side
    723,829.08x = 566,317,392,554.85
  5. Step 5: Solve for x
    x = 566,317,392,554.85/723,829.08
  6. Step 6: Final answer
    x = 782,391.05

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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.