Home / 694,990.80-1,042,486.20-245,708.10

Finding the Fourth Proportional to 694,990.80, 1,042,486.20 and 245,708.10

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Solution

The fourth proportional to 694,990.80, 1,042,486.20 and 245,708.10 is: 368,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,990.80 : 1,042,486.20 = 245,708.10 : x
  2. Step 2: Convert to fraction form
    694,990.80/1,042,486.20 = 245,708.10/x
  3. Step 3: Cross multiply
    694,990.80x = 1,042,486.20 × 245,708.10
  4. Step 4: Simplify right side
    694,990.80x = 256,147,303,478.22
  5. Step 5: Solve for x
    x = 256,147,303,478.22/694,990.80
  6. Step 6: Final answer
    x = 368,562.15

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Similar ratio
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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.