Home / 791,079.10-1,186,674.01-391,612.61

Finding the Fourth Proportional to 791,079.10, 1,186,674.01 and 391,612.61

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Solution

The fourth proportional to 791,079.10, 1,186,674.01 and 391,612.61 is: 587,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,079.10 : 1,186,674.01 = 391,612.61 : x
  2. Step 2: Convert to fraction form
    791,079.10/1,186,674.01 = 391,612.61/x
  3. Step 3: Cross multiply
    791,079.10x = 1,186,674.01 × 391,612.61
  4. Step 4: Simplify right side
    791,079.10x = 464,716,508,262.92
  5. Step 5: Solve for x
    x = 464,716,508,262.92/791,079.10
  6. Step 6: Final answer
    x = 587,446.32

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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.