Home / 961,712.85-1,327,048.08-553,947.32

Finding the Fourth Proportional to 961,712.85, 1,327,048.08 and 553,947.32

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Solution

The fourth proportional to 961,712.85, 1,327,048.08 and 553,947.32 is: 764,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,712.85 : 1,327,048.08 = 553,947.32 : x
  2. Step 2: Convert to fraction form
    961,712.85/1,327,048.08 = 553,947.32/x
  3. Step 3: Cross multiply
    961,712.85x = 1,327,048.08 × 553,947.32
  4. Step 4: Simplify right side
    961,712.85x = 735,114,720,791.91
  5. Step 5: Solve for x
    x = 735,114,720,791.91/961,712.85
  6. Step 6: Final answer
    x = 764,380.68

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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.