Home / 987,227.47-1,479,721.73-453,645.94

Finding the Fourth Proportional to 987,227.47, 1,479,721.73 and 453,645.94

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Solution

The fourth proportional to 987,227.47, 1,479,721.73 and 453,645.94 is: 679,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,227.47 : 1,479,721.73 = 453,645.94 : x
  2. Step 2: Convert to fraction form
    987,227.47/1,479,721.73 = 453,645.94/x
  3. Step 3: Cross multiply
    987,227.47x = 1,479,721.73 × 453,645.94
  4. Step 4: Simplify right side
    987,227.47x = 671,269,755,144.28
  5. Step 5: Solve for x
    x = 671,269,755,144.28/987,227.47
  6. Step 6: Final answer
    x = 679,954.49

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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.