Home / 961,710.85-1,327,045.33-553,945.31

Finding the Fourth Proportional to 961,710.85, 1,327,045.33 and 553,945.31

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Solution

The fourth proportional to 961,710.85, 1,327,045.33 and 553,945.31 is: 764,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,710.85 : 1,327,045.33 = 553,945.31 : x
  2. Step 2: Convert to fraction form
    961,710.85/1,327,045.33 = 553,945.31/x
  3. Step 3: Cross multiply
    961,710.85x = 1,327,045.33 × 553,945.31
  4. Step 4: Simplify right side
    961,710.85x = 735,110,536,710.90
  5. Step 5: Solve for x
    x = 735,110,536,710.90/961,710.85
  6. Step 6: Final answer
    x = 764,377.92

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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.