Home / 961,082.64-1,326,179.40-531,305.04

Finding the Fourth Proportional to 961,082.64, 1,326,179.40 and 531,305.04

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Solution

The fourth proportional to 961,082.64, 1,326,179.40 and 531,305.04 is: 733,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,082.64 : 1,326,179.40 = 531,305.04 : x
  2. Step 2: Convert to fraction form
    961,082.64/1,326,179.40 = 531,305.04/x
  3. Step 3: Cross multiply
    961,082.64x = 1,326,179.40 × 531,305.04
  4. Step 4: Simplify right side
    961,082.64x = 704,605,799,164.18
  5. Step 5: Solve for x
    x = 704,605,799,164.18/961,082.64
  6. Step 6: Final answer
    x = 733,137.58

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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.