Home / 814,525.20-1,221,204.60-340,966.80

Finding the Fourth Proportional to 814,525.20, 1,221,204.60 and 340,966.80

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Solution

The fourth proportional to 814,525.20, 1,221,204.60 and 340,966.80 is: 511,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,525.20 : 1,221,204.60 = 340,966.80 : x
  2. Step 2: Convert to fraction form
    814,525.20/1,221,204.60 = 340,966.80/x
  3. Step 3: Cross multiply
    814,525.20x = 1,221,204.60 × 340,966.80
  4. Step 4: Simplify right side
    814,525.20x = 416,390,224,607.28
  5. Step 5: Solve for x
    x = 416,390,224,607.28/814,525.20
  6. Step 6: Final answer
    x = 511,206.07

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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.