Home / 869,132.80-1,304,282.40-395,574.40

Finding the Fourth Proportional to 869,132.80, 1,304,282.40 and 395,574.40

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Solution

The fourth proportional to 869,132.80, 1,304,282.40 and 395,574.40 is: 593,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,132.80 : 1,304,282.40 = 395,574.40 : x
  2. Step 2: Convert to fraction form
    869,132.80/1,304,282.40 = 395,574.40/x
  3. Step 3: Cross multiply
    869,132.80x = 1,304,282.40 × 395,574.40
  4. Step 4: Simplify right side
    869,132.80x = 515,940,727,810.56
  5. Step 5: Solve for x
    x = 515,940,727,810.56/869,132.80
  6. Step 6: Final answer
    x = 593,627.04

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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.