Home / 814,559.60-1,221,985.20-341,292.80

Finding the Fourth Proportional to 814,559.60, 1,221,985.20 and 341,292.80

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Solution

The fourth proportional to 814,559.60, 1,221,985.20 and 341,292.80 is: 512,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,559.60 : 1,221,985.20 = 341,292.80 : x
  2. Step 2: Convert to fraction form
    814,559.60/1,221,985.20 = 341,292.80/x
  3. Step 3: Cross multiply
    814,559.60x = 1,221,985.20 × 341,292.80
  4. Step 4: Simplify right side
    814,559.60x = 417,054,750,466.56
  5. Step 5: Solve for x
    x = 417,054,750,466.56/814,559.60
  6. Step 6: Final answer
    x = 512,000.29

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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.