Home / 969,887.78-1,338,486.49-540,167.91

Finding the Fourth Proportional to 969,887.78, 1,338,486.49 and 540,167.91

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Solution

The fourth proportional to 969,887.78, 1,338,486.49 and 540,167.91 is: 745,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,887.78 : 1,338,486.49 = 540,167.91 : x
  2. Step 2: Convert to fraction form
    969,887.78/1,338,486.49 = 540,167.91/x
  3. Step 3: Cross multiply
    969,887.78x = 1,338,486.49 × 540,167.91
  4. Step 4: Simplify right side
    969,887.78x = 723,007,443,174.10
  5. Step 5: Solve for x
    x = 723,007,443,174.10/969,887.78
  6. Step 6: Final answer
    x = 745,454.74

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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.