Home / 876,008.80-1,314,013.20-211,160.80

Finding the Fourth Proportional to 876,008.80, 1,314,013.20 and 211,160.80

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Solution

The fourth proportional to 876,008.80, 1,314,013.20 and 211,160.80 is: 316,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,008.80 : 1,314,013.20 = 211,160.80 : x
  2. Step 2: Convert to fraction form
    876,008.80/1,314,013.20 = 211,160.80/x
  3. Step 3: Cross multiply
    876,008.80x = 1,314,013.20 × 211,160.80
  4. Step 4: Simplify right side
    876,008.80x = 277,468,078,522.56
  5. Step 5: Solve for x
    x = 277,468,078,522.56/876,008.80
  6. Step 6: Final answer
    x = 316,741.20

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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.