Home / 681,656.52-1,022,510.76-255,147.45

Finding the Fourth Proportional to 681,656.52, 1,022,510.76 and 255,147.45

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Solution

The fourth proportional to 681,656.52, 1,022,510.76 and 255,147.45 is: 382,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,656.52 : 1,022,510.76 = 255,147.45 : x
  2. Step 2: Convert to fraction form
    681,656.52/1,022,510.76 = 255,147.45/x
  3. Step 3: Cross multiply
    681,656.52x = 1,022,510.76 × 255,147.45
  4. Step 4: Simplify right side
    681,656.52x = 260,891,013,011.56
  5. Step 5: Solve for x
    x = 260,891,013,011.56/681,656.52
  6. Step 6: Final answer
    x = 382,730.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.