Home / 825,399.44-1,238,449.12-450,985.04

Finding the Fourth Proportional to 825,399.44, 1,238,449.12 and 450,985.04

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Solution

The fourth proportional to 825,399.44, 1,238,449.12 and 450,985.04 is: 676,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,399.44 : 1,238,449.12 = 450,985.04 : x
  2. Step 2: Convert to fraction form
    825,399.44/1,238,449.12 = 450,985.04/x
  3. Step 3: Cross multiply
    825,399.44x = 1,238,449.12 × 450,985.04
  4. Step 4: Simplify right side
    825,399.44x = 558,522,025,921.17
  5. Step 5: Solve for x
    x = 558,522,025,921.17/825,399.44
  6. Step 6: Final answer
    x = 676,668.77

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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.