Home / 751,549.20-1,126,055.88-371,963.76

Finding the Fourth Proportional to 751,549.20, 1,126,055.88 and 371,963.76

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Solution

The fourth proportional to 751,549.20, 1,126,055.88 and 371,963.76 is: 557,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,549.20 : 1,126,055.88 = 371,963.76 : x
  2. Step 2: Convert to fraction form
    751,549.20/1,126,055.88 = 371,963.76/x
  3. Step 3: Cross multiply
    751,549.20x = 1,126,055.88 × 371,963.76
  4. Step 4: Simplify right side
    751,549.20x = 418,851,979,094.91
  5. Step 5: Solve for x
    x = 418,851,979,094.91/751,549.20
  6. Step 6: Final answer
    x = 557,318.11

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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.