Home / 769,149.45-1,061,422.18-425,009.11

Finding the Fourth Proportional to 769,149.45, 1,061,422.18 and 425,009.11

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Solution

The fourth proportional to 769,149.45, 1,061,422.18 and 425,009.11 is: 586,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,149.45 : 1,061,422.18 = 425,009.11 : x
  2. Step 2: Convert to fraction form
    769,149.45/1,061,422.18 = 425,009.11/x
  3. Step 3: Cross multiply
    769,149.45x = 1,061,422.18 × 425,009.11
  4. Step 4: Simplify right side
    769,149.45x = 451,114,092,091.22
  5. Step 5: Solve for x
    x = 451,114,092,091.22/769,149.45
  6. Step 6: Final answer
    x = 586,510.32

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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.