Home / 869,625.60-1,304,438.40-766,982.40

Finding the Fourth Proportional to 869,625.60, 1,304,438.40 and 766,982.40

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Solution

The fourth proportional to 869,625.60, 1,304,438.40 and 766,982.40 is: 1,150,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,625.60 : 1,304,438.40 = 766,982.40 : x
  2. Step 2: Convert to fraction form
    869,625.60/1,304,438.40 = 766,982.40/x
  3. Step 3: Cross multiply
    869,625.60x = 1,304,438.40 × 766,982.40
  4. Step 4: Simplify right side
    869,625.60x = 1,000,481,294,684.16
  5. Step 5: Solve for x
    x = 1,000,481,294,684.16/869,625.60
  6. Step 6: Final answer
    x = 1,150,473.60

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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.