Home / 825,388.44-1,238,432.58-450,974.04

Finding the Fourth Proportional to 825,388.44, 1,238,432.58 and 450,974.04

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Solution

The fourth proportional to 825,388.44, 1,238,432.58 and 450,974.04 is: 676,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,388.44 : 1,238,432.58 = 450,974.04 : x
  2. Step 2: Convert to fraction form
    825,388.44/1,238,432.58 = 450,974.04/x
  3. Step 3: Cross multiply
    825,388.44x = 1,238,432.58 × 450,974.04
  4. Step 4: Simplify right side
    825,388.44x = 558,500,943,870.22
  5. Step 5: Solve for x
    x = 558,500,943,870.22/825,388.44
  6. Step 6: Final answer
    x = 676,652.25

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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.