Home / 791,176.05-1,186,725.92-258,626.61

Finding the Fourth Proportional to 791,176.05, 1,186,725.92 and 258,626.61

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Solution

The fourth proportional to 791,176.05, 1,186,725.92 and 258,626.61 is: 387,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,176.05 : 1,186,725.92 = 258,626.61 : x
  2. Step 2: Convert to fraction form
    791,176.05/1,186,725.92 = 258,626.61/x
  3. Step 3: Cross multiply
    791,176.05x = 1,186,725.92 × 258,626.61
  4. Step 4: Simplify right side
    791,176.05x = 306,918,900,395.60
  5. Step 5: Solve for x
    x = 306,918,900,395.60/791,176.05
  6. Step 6: Final answer
    x = 387,927.44

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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.