Home / 724,704.17-1,087,113.45-192,225.35

Finding the Fourth Proportional to 724,704.17, 1,087,113.45 and 192,225.35

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Solution

The fourth proportional to 724,704.17, 1,087,113.45 and 192,225.35 is: 288,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,704.17 : 1,087,113.45 = 192,225.35 : x
  2. Step 2: Convert to fraction form
    724,704.17/1,087,113.45 = 192,225.35/x
  3. Step 3: Cross multiply
    724,704.17x = 1,087,113.45 × 192,225.35
  4. Step 4: Simplify right side
    724,704.17x = 208,970,757,980.39
  5. Step 5: Solve for x
    x = 208,970,757,980.39/724,704.17
  6. Step 6: Final answer
    x = 288,353.19

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Double scale
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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.