Home / 843,004.40-1,264,069.20-310,251.20

Finding the Fourth Proportional to 843,004.40, 1,264,069.20 and 310,251.20

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Solution

The fourth proportional to 843,004.40, 1,264,069.20 and 310,251.20 is: 465,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,004.40 : 1,264,069.20 = 310,251.20 : x
  2. Step 2: Convert to fraction form
    843,004.40/1,264,069.20 = 310,251.20/x
  3. Step 3: Cross multiply
    843,004.40x = 1,264,069.20 × 310,251.20
  4. Step 4: Simplify right side
    843,004.40x = 392,178,986,183.04
  5. Step 5: Solve for x
    x = 392,178,986,183.04/843,004.40
  6. Step 6: Final answer
    x = 465,215.82

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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.