Home / 825,020.57-1,138,581-462,444.53

Finding the Fourth Proportional to 825,020.57, 1,138,581 and 462,444.53

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Solution

The fourth proportional to 825,020.57, 1,138,581 and 462,444.53 is: 638,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,020.57 : 1,138,581 = 462,444.53 : x
  2. Step 2: Convert to fraction form
    825,020.57/1,138,581 = 462,444.53/x
  3. Step 3: Cross multiply
    825,020.57x = 1,138,581 × 462,444.53
  4. Step 4: Simplify right side
    825,020.57x = 526,530,549,719.03
  5. Step 5: Solve for x
    x = 526,530,549,719.03/825,020.57
  6. Step 6: Final answer
    x = 638,202.93

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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.