Home / 693,478.80-1,040,218.20-194,842.80

Finding the Fourth Proportional to 693,478.80, 1,040,218.20 and 194,842.80

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Solution

The fourth proportional to 693,478.80, 1,040,218.20 and 194,842.80 is: 292,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,478.80 : 1,040,218.20 = 194,842.80 : x
  2. Step 2: Convert to fraction form
    693,478.80/1,040,218.20 = 194,842.80/x
  3. Step 3: Cross multiply
    693,478.80x = 1,040,218.20 × 194,842.80
  4. Step 4: Simplify right side
    693,478.80x = 202,679,026,698.96
  5. Step 5: Solve for x
    x = 202,679,026,698.96/693,478.80
  6. Step 6: Final answer
    x = 292,264.20

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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.