Home / 769,542.24-1,061,947.92-430,013.28

Finding the Fourth Proportional to 769,542.24, 1,061,947.92 and 430,013.28

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Solution

The fourth proportional to 769,542.24, 1,061,947.92 and 430,013.28 is: 593,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,542.24 : 1,061,947.92 = 430,013.28 : x
  2. Step 2: Convert to fraction form
    769,542.24/1,061,947.92 = 430,013.28/x
  3. Step 3: Cross multiply
    769,542.24x = 1,061,947.92 × 430,013.28
  4. Step 4: Simplify right side
    769,542.24x = 456,651,708,268.38
  5. Step 5: Solve for x
    x = 456,651,708,268.38/769,542.24
  6. Step 6: Final answer
    x = 593,406.94

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1.5x scale

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.