Home / 814,230.90-1,221,346.35-724,029.30

Finding the Fourth Proportional to 814,230.90, 1,221,346.35 and 724,029.30

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Solution

The fourth proportional to 814,230.90, 1,221,346.35 and 724,029.30 is: 1,086,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,230.90 : 1,221,346.35 = 724,029.30 : x
  2. Step 2: Convert to fraction form
    814,230.90/1,221,346.35 = 724,029.30/x
  3. Step 3: Cross multiply
    814,230.90x = 1,221,346.35 × 724,029.30
  4. Step 4: Simplify right side
    814,230.90x = 884,290,542,848.06
  5. Step 5: Solve for x
    x = 884,290,542,848.06/814,230.90
  6. Step 6: Final answer
    x = 1,086,043.95

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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.