Home / 994,071.72-1,491,282.90-363,865.80

Finding the Fourth Proportional to 994,071.72, 1,491,282.90 and 363,865.80

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Solution

The fourth proportional to 994,071.72, 1,491,282.90 and 363,865.80 is: 545,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,071.72 : 1,491,282.90 = 363,865.80 : x
  2. Step 2: Convert to fraction form
    994,071.72/1,491,282.90 = 363,865.80/x
  3. Step 3: Cross multiply
    994,071.72x = 1,491,282.90 × 363,865.80
  4. Step 4: Simplify right side
    994,071.72x = 542,626,845,434.82
  5. Step 5: Solve for x
    x = 542,626,845,434.82/994,071.72
  6. Step 6: Final answer
    x = 545,862.87

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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.