Home / 987,224.82-1,480,837.23-239,270.82

Finding the Fourth Proportional to 987,224.82, 1,480,837.23 and 239,270.82

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Solution

The fourth proportional to 987,224.82, 1,480,837.23 and 239,270.82 is: 358,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,224.82 : 1,480,837.23 = 239,270.82 : x
  2. Step 2: Convert to fraction form
    987,224.82/1,480,837.23 = 239,270.82/x
  3. Step 3: Cross multiply
    987,224.82x = 1,480,837.23 × 239,270.82
  4. Step 4: Simplify right side
    987,224.82x = 354,321,138,308.63
  5. Step 5: Solve for x
    x = 354,321,138,308.63/987,224.82
  6. Step 6: Final answer
    x = 358,906.23

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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.