Home / 908,641.89-1,253,934.05-500,758.29

Finding the Fourth Proportional to 908,641.89, 1,253,934.05 and 500,758.29

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Solution

The fourth proportional to 908,641.89, 1,253,934.05 and 500,758.29 is: 691,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,641.89 : 1,253,934.05 = 500,758.29 : x
  2. Step 2: Convert to fraction form
    908,641.89/1,253,934.05 = 500,758.29/x
  3. Step 3: Cross multiply
    908,641.89x = 1,253,934.05 × 500,758.29
  4. Step 4: Simplify right side
    908,641.89x = 627,917,868,146.98
  5. Step 5: Solve for x
    x = 627,917,868,146.98/908,641.89
  6. Step 6: Final answer
    x = 691,050.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.