Home / 813,535.59-1,122,299.42-511,895.91

Finding the Fourth Proportional to 813,535.59, 1,122,299.42 and 511,895.91

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Solution

The fourth proportional to 813,535.59, 1,122,299.42 and 511,895.91 is: 706,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,535.59 : 1,122,299.42 = 511,895.91 : x
  2. Step 2: Convert to fraction form
    813,535.59/1,122,299.42 = 511,895.91/x
  3. Step 3: Cross multiply
    813,535.59x = 1,122,299.42 × 511,895.91
  4. Step 4: Simplify right side
    813,535.59x = 574,500,480,333.89
  5. Step 5: Solve for x
    x = 574,500,480,333.89/813,535.59
  6. Step 6: Final answer
    x = 706,177.44

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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.