Home / 736,974.33-1,103,689.98-420,471.69

Finding the Fourth Proportional to 736,974.33, 1,103,689.98 and 420,471.69

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Solution

The fourth proportional to 736,974.33, 1,103,689.98 and 420,471.69 is: 629,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,974.33 : 1,103,689.98 = 420,471.69 : x
  2. Step 2: Convert to fraction form
    736,974.33/1,103,689.98 = 420,471.69/x
  3. Step 3: Cross multiply
    736,974.33x = 1,103,689.98 × 420,471.69
  4. Step 4: Simplify right side
    736,974.33x = 464,070,391,126.67
  5. Step 5: Solve for x
    x = 464,070,391,126.67/736,974.33
  6. Step 6: Final answer
    x = 629,696.82

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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.