Home / 752,895.38-1,129,260.42-220,421.63

Finding the Fourth Proportional to 752,895.38, 1,129,260.42 and 220,421.63

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Solution

The fourth proportional to 752,895.38, 1,129,260.42 and 220,421.63 is: 330,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,895.38 : 1,129,260.42 = 220,421.63 : x
  2. Step 2: Convert to fraction form
    752,895.38/1,129,260.42 = 220,421.63/x
  3. Step 3: Cross multiply
    752,895.38x = 1,129,260.42 × 220,421.63
  4. Step 4: Simplify right side
    752,895.38x = 248,913,425,294.04
  5. Step 5: Solve for x
    x = 248,913,425,294.04/752,895.38
  6. Step 6: Final answer
    x = 330,608.25

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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.