Home / 888,936.80-1,333,405.20-652,740.80

Finding the Fourth Proportional to 888,936.80, 1,333,405.20 and 652,740.80

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Solution

The fourth proportional to 888,936.80, 1,333,405.20 and 652,740.80 is: 979,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,936.80 : 1,333,405.20 = 652,740.80 : x
  2. Step 2: Convert to fraction form
    888,936.80/1,333,405.20 = 652,740.80/x
  3. Step 3: Cross multiply
    888,936.80x = 1,333,405.20 × 652,740.80
  4. Step 4: Simplify right side
    888,936.80x = 870,367,976,972.16
  5. Step 5: Solve for x
    x = 870,367,976,972.16/888,936.80
  6. Step 6: Final answer
    x = 979,111.20

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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.