Home / 769,615.20-1,154,422.80-627,897.60

Finding the Fourth Proportional to 769,615.20, 1,154,422.80 and 627,897.60

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Solution

The fourth proportional to 769,615.20, 1,154,422.80 and 627,897.60 is: 941,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,615.20 : 1,154,422.80 = 627,897.60 : x
  2. Step 2: Convert to fraction form
    769,615.20/1,154,422.80 = 627,897.60/x
  3. Step 3: Cross multiply
    769,615.20x = 1,154,422.80 × 627,897.60
  4. Step 4: Simplify right side
    769,615.20x = 724,859,305,505.28
  5. Step 5: Solve for x
    x = 724,859,305,505.28/769,615.20
  6. Step 6: Final answer
    x = 941,846.40

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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.