Home / 987,867.48-1,481,801.22-239,908.44

Finding the Fourth Proportional to 987,867.48, 1,481,801.22 and 239,908.44

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Solution

The fourth proportional to 987,867.48, 1,481,801.22 and 239,908.44 is: 359,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,867.48 : 1,481,801.22 = 239,908.44 : x
  2. Step 2: Convert to fraction form
    987,867.48/1,481,801.22 = 239,908.44/x
  3. Step 3: Cross multiply
    987,867.48x = 1,481,801.22 × 239,908.44
  4. Step 4: Simplify right side
    987,867.48x = 355,496,619,080.30
  5. Step 5: Solve for x
    x = 355,496,619,080.30/987,867.48
  6. Step 6: Final answer
    x = 359,862.66

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Double scale
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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.