Home / 987,224.51-1,480,836.76-239,270.51

Finding the Fourth Proportional to 987,224.51, 1,480,836.76 and 239,270.51

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Solution

The fourth proportional to 987,224.51, 1,480,836.76 and 239,270.51 is: 358,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,224.51 : 1,480,836.76 = 239,270.51 : x
  2. Step 2: Convert to fraction form
    987,224.51/1,480,836.76 = 239,270.51/x
  3. Step 3: Cross multiply
    987,224.51x = 1,480,836.76 × 239,270.51
  4. Step 4: Simplify right side
    987,224.51x = 354,320,566,791.95
  5. Step 5: Solve for x
    x = 354,320,566,791.95/987,224.51
  6. Step 6: Final answer
    x = 358,905.76

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Double scale
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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.