Home / 887,947.80-1,331,921.70-604,512.60

Finding the Fourth Proportional to 887,947.80, 1,331,921.70 and 604,512.60

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Solution

The fourth proportional to 887,947.80, 1,331,921.70 and 604,512.60 is: 906,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,947.80 : 1,331,921.70 = 604,512.60 : x
  2. Step 2: Convert to fraction form
    887,947.80/1,331,921.70 = 604,512.60/x
  3. Step 3: Cross multiply
    887,947.80x = 1,331,921.70 × 604,512.60
  4. Step 4: Simplify right side
    887,947.80x = 805,163,449,863.42
  5. Step 5: Solve for x
    x = 805,163,449,863.42/887,947.80
  6. Step 6: Final answer
    x = 906,768.90

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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.