Home / 686,999.30-1,030,207.35-332,122.10

Finding the Fourth Proportional to 686,999.30, 1,030,207.35 and 332,122.10

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Solution

The fourth proportional to 686,999.30, 1,030,207.35 and 332,122.10 is: 498,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,999.30 : 1,030,207.35 = 332,122.10 : x
  2. Step 2: Convert to fraction form
    686,999.30/1,030,207.35 = 332,122.10/x
  3. Step 3: Cross multiply
    686,999.30x = 1,030,207.35 × 332,122.10
  4. Step 4: Simplify right side
    686,999.30x = 342,154,628,517.44
  5. Step 5: Solve for x
    x = 342,154,628,517.44/686,999.30
  6. Step 6: Final answer
    x = 498,042.18

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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.