Home / 825,195.30-1,138,850.19-462,619.86

Finding the Fourth Proportional to 825,195.30, 1,138,850.19 and 462,619.86

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Solution

The fourth proportional to 825,195.30, 1,138,850.19 and 462,619.86 is: 638,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,195.30 : 1,138,850.19 = 462,619.86 : x
  2. Step 2: Convert to fraction form
    825,195.30/1,138,850.19 = 462,619.86/x
  3. Step 3: Cross multiply
    825,195.30x = 1,138,850.19 × 462,619.86
  4. Step 4: Simplify right side
    825,195.30x = 526,854,715,458.77
  5. Step 5: Solve for x
    x = 526,854,715,458.77/825,195.30
  6. Step 6: Final answer
    x = 638,460.64

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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.