Home / 724,929.12-1,087,393.68-226,335.84

Finding the Fourth Proportional to 724,929.12, 1,087,393.68 and 226,335.84

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Solution

The fourth proportional to 724,929.12, 1,087,393.68 and 226,335.84 is: 339,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,929.12 : 1,087,393.68 = 226,335.84 : x
  2. Step 2: Convert to fraction form
    724,929.12/1,087,393.68 = 226,335.84/x
  3. Step 3: Cross multiply
    724,929.12x = 1,087,393.68 × 226,335.84
  4. Step 4: Simplify right side
    724,929.12x = 246,116,161,973.49
  5. Step 5: Solve for x
    x = 246,116,161,973.49/724,929.12
  6. Step 6: Final answer
    x = 339,503.76

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Similar ratio
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1.5x scale

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.