Home / 887,121.25-1,224,227.33-484,713.25

Finding the Fourth Proportional to 887,121.25, 1,224,227.33 and 484,713.25

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Solution

The fourth proportional to 887,121.25, 1,224,227.33 and 484,713.25 is: 668,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,121.25 : 1,224,227.33 = 484,713.25 : x
  2. Step 2: Convert to fraction form
    887,121.25/1,224,227.33 = 484,713.25/x
  3. Step 3: Cross multiply
    887,121.25x = 1,224,227.33 × 484,713.25
  4. Step 4: Simplify right side
    887,121.25x = 593,399,205,439.56
  5. Step 5: Solve for x
    x = 593,399,205,439.56/887,121.25
  6. Step 6: Final answer
    x = 668,904.29

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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.