Home / 585,621.80-878,562.30-270,002.60

Finding the Fourth Proportional to 585,621.80, 878,562.30 and 270,002.60

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Solution

The fourth proportional to 585,621.80, 878,562.30 and 270,002.60 is: 405,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,621.80 : 878,562.30 = 270,002.60 : x
  2. Step 2: Convert to fraction form
    585,621.80/878,562.30 = 270,002.60/x
  3. Step 3: Cross multiply
    585,621.80x = 878,562.30 × 270,002.60
  4. Step 4: Simplify right side
    585,621.80x = 237,214,105,261.98
  5. Step 5: Solve for x
    x = 237,214,105,261.98/585,621.80
  6. Step 6: Final answer
    x = 405,063.65

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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.