Home / 724,886.66-1,087,500.10-219,451.52

Finding the Fourth Proportional to 724,886.66, 1,087,500.10 and 219,451.52

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Solution

The fourth proportional to 724,886.66, 1,087,500.10 and 219,451.52 is: 329,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,886.66 : 1,087,500.10 = 219,451.52 : x
  2. Step 2: Convert to fraction form
    724,886.66/1,087,500.10 = 219,451.52/x
  3. Step 3: Cross multiply
    724,886.66x = 1,087,500.10 × 219,451.52
  4. Step 4: Simplify right side
    724,886.66x = 238,653,549,945.15
  5. Step 5: Solve for x
    x = 238,653,549,945.15/724,886.66
  6. Step 6: Final answer
    x = 329,228.78

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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.