Home / 752,953.70-1,039,077.64-408,790.04

Finding the Fourth Proportional to 752,953.70, 1,039,077.64 and 408,790.04

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Solution

The fourth proportional to 752,953.70, 1,039,077.64 and 408,790.04 is: 564,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,953.70 : 1,039,077.64 = 408,790.04 : x
  2. Step 2: Convert to fraction form
    752,953.70/1,039,077.64 = 408,790.04/x
  3. Step 3: Cross multiply
    752,953.70x = 1,039,077.64 × 408,790.04
  4. Step 4: Simplify right side
    752,953.70x = 424,764,590,018.71
  5. Step 5: Solve for x
    x = 424,764,590,018.71/752,953.70
  6. Step 6: Final answer
    x = 564,131.09

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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.