Home / 814,559.90-1,221,800.10-302,324.70

Finding the Fourth Proportional to 814,559.90, 1,221,800.10 and 302,324.70

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Solution

The fourth proportional to 814,559.90, 1,221,800.10 and 302,324.70 is: 453,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,559.90 : 1,221,800.10 = 302,324.70 : x
  2. Step 2: Convert to fraction form
    814,559.90/1,221,800.10 = 302,324.70/x
  3. Step 3: Cross multiply
    814,559.90x = 1,221,800.10 × 302,324.70
  4. Step 4: Simplify right side
    814,559.90x = 369,380,353,841.08
  5. Step 5: Solve for x
    x = 369,380,353,841.08/814,559.90
  6. Step 6: Final answer
    x = 453,472.31

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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.