Home / 724,909.77-1,087,498.49-238,619.39

Finding the Fourth Proportional to 724,909.77, 1,087,498.49 and 238,619.39

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Solution

The fourth proportional to 724,909.77, 1,087,498.49 and 238,619.39 is: 357,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,909.77 : 1,087,498.49 = 238,619.39 : x
  2. Step 2: Convert to fraction form
    724,909.77/1,087,498.49 = 238,619.39/x
  3. Step 3: Cross multiply
    724,909.77x = 1,087,498.49 × 238,619.39
  4. Step 4: Simplify right side
    724,909.77x = 259,498,221,468.78
  5. Step 5: Solve for x
    x = 259,498,221,468.78/724,909.77
  6. Step 6: Final answer
    x = 357,973.13

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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.