Home / 724,837.82-1,087,172.25-192,400.22

Finding the Fourth Proportional to 724,837.82, 1,087,172.25 and 192,400.22

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Solution

The fourth proportional to 724,837.82, 1,087,172.25 and 192,400.22 is: 288,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,837.82 : 1,087,172.25 = 192,400.22 : x
  2. Step 2: Convert to fraction form
    724,837.82/1,087,172.25 = 192,400.22/x
  3. Step 3: Cross multiply
    724,837.82x = 1,087,172.25 × 192,400.22
  4. Step 4: Simplify right side
    724,837.82x = 209,172,180,077.90
  5. Step 5: Solve for x
    x = 209,172,180,077.90/724,837.82
  6. Step 6: Final answer
    x = 288,577.91

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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.