Home / 876,002.52-1,314,003.82-211,154.52

Finding the Fourth Proportional to 876,002.52, 1,314,003.82 and 211,154.52

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Solution

The fourth proportional to 876,002.52, 1,314,003.82 and 211,154.52 is: 316,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,002.52 : 1,314,003.82 = 211,154.52 : x
  2. Step 2: Convert to fraction form
    876,002.52/1,314,003.82 = 211,154.52/x
  3. Step 3: Cross multiply
    876,002.52x = 1,314,003.82 × 211,154.52
  4. Step 4: Simplify right side
    876,002.52x = 277,457,845,890.27
  5. Step 5: Solve for x
    x = 277,457,845,890.27/876,002.52
  6. Step 6: Final answer
    x = 316,731.79

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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.