Home / 814,566.30-1,221,849.45-499,200.90

Finding the Fourth Proportional to 814,566.30, 1,221,849.45 and 499,200.90

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Solution

The fourth proportional to 814,566.30, 1,221,849.45 and 499,200.90 is: 748,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,566.30 : 1,221,849.45 = 499,200.90 : x
  2. Step 2: Convert to fraction form
    814,566.30/1,221,849.45 = 499,200.90/x
  3. Step 3: Cross multiply
    814,566.30x = 1,221,849.45 × 499,200.90
  4. Step 4: Simplify right side
    814,566.30x = 609,948,345,104.51
  5. Step 5: Solve for x
    x = 609,948,345,104.51/814,566.30
  6. Step 6: Final answer
    x = 748,801.35

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1.5x scale

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.