Home / 825,007.80-1,236,330.90-469,270.20

Finding the Fourth Proportional to 825,007.80, 1,236,330.90 and 469,270.20

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Solution

The fourth proportional to 825,007.80, 1,236,330.90 and 469,270.20 is: 703,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,007.80 : 1,236,330.90 = 469,270.20 : x
  2. Step 2: Convert to fraction form
    825,007.80/1,236,330.90 = 469,270.20/x
  3. Step 3: Cross multiply
    825,007.80x = 1,236,330.90 × 469,270.20
  4. Step 4: Simplify right side
    825,007.80x = 580,173,248,709.18
  5. Step 5: Solve for x
    x = 580,173,248,709.18/825,007.80
  6. Step 6: Final answer
    x = 703,233.65

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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.