Home / 987,230.35-1,479,726.05-453,648.82

Finding the Fourth Proportional to 987,230.35, 1,479,726.05 and 453,648.82

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Solution

The fourth proportional to 987,230.35, 1,479,726.05 and 453,648.82 is: 679,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,230.35 : 1,479,726.05 = 453,648.82 : x
  2. Step 2: Convert to fraction form
    987,230.35/1,479,726.05 = 453,648.82/x
  3. Step 3: Cross multiply
    987,230.35x = 1,479,726.05 × 453,648.82
  4. Step 4: Simplify right side
    987,230.35x = 671,275,974,237.52
  5. Step 5: Solve for x
    x = 671,275,974,237.52/987,230.35
  6. Step 6: Final answer
    x = 679,958.81

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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.