Home / 987,685.48-1,481,528.22-239,726.44

Finding the Fourth Proportional to 987,685.48, 1,481,528.22 and 239,726.44

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Solution

The fourth proportional to 987,685.48, 1,481,528.22 and 239,726.44 is: 359,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,685.48 : 1,481,528.22 = 239,726.44 : x
  2. Step 2: Convert to fraction form
    987,685.48/1,481,528.22 = 239,726.44/x
  3. Step 3: Cross multiply
    987,685.48x = 1,481,528.22 × 239,726.44
  4. Step 4: Simplify right side
    987,685.48x = 355,161,485,940.14
  5. Step 5: Solve for x
    x = 355,161,485,940.14/987,685.48
  6. Step 6: Final answer
    x = 359,589.66

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Half scale
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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.