Home / 752,967.38-1,039,089.22-408,796.48

Finding the Fourth Proportional to 752,967.38, 1,039,089.22 and 408,796.48

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Solution

The fourth proportional to 752,967.38, 1,039,089.22 and 408,796.48 is: 564,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,967.38 : 1,039,089.22 = 408,796.48 : x
  2. Step 2: Convert to fraction form
    752,967.38/1,039,089.22 = 408,796.48/x
  3. Step 3: Cross multiply
    752,967.38x = 1,039,089.22 × 408,796.48
  4. Step 4: Simplify right side
    752,967.38x = 424,776,015,818.82
  5. Step 5: Solve for x
    x = 424,776,015,818.82/752,967.38
  6. Step 6: Final answer
    x = 564,136.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.