Home / 724,696.57-1,087,101.91-192,217.66

Finding the Fourth Proportional to 724,696.57, 1,087,101.91 and 192,217.66

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Solution

The fourth proportional to 724,696.57, 1,087,101.91 and 192,217.66 is: 288,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,696.57 : 1,087,101.91 = 192,217.66 : x
  2. Step 2: Convert to fraction form
    724,696.57/1,087,101.91 = 192,217.66/x
  3. Step 3: Cross multiply
    724,696.57x = 1,087,101.91 × 192,217.66
  4. Step 4: Simplify right side
    724,696.57x = 208,960,182,844.25
  5. Step 5: Solve for x
    x = 208,960,182,844.25/724,696.57
  6. Step 6: Final answer
    x = 288,341.62

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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.