Home / 750,719.34-1,126,079.01-189,753.84

Finding the Fourth Proportional to 750,719.34, 1,126,079.01 and 189,753.84

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Solution

The fourth proportional to 750,719.34, 1,126,079.01 and 189,753.84 is: 284,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,719.34 : 1,126,079.01 = 189,753.84 : x
  2. Step 2: Convert to fraction form
    750,719.34/1,126,079.01 = 189,753.84/x
  3. Step 3: Cross multiply
    750,719.34x = 1,126,079.01 × 189,753.84
  4. Step 4: Simplify right side
    750,719.34x = 213,677,816,290.90
  5. Step 5: Solve for x
    x = 213,677,816,290.90/750,719.34
  6. Step 6: Final answer
    x = 284,630.76

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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.