Home / 693,544.06-1,040,312.85-220,265.92

Finding the Fourth Proportional to 693,544.06, 1,040,312.85 and 220,265.92

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Solution

The fourth proportional to 693,544.06, 1,040,312.85 and 220,265.92 is: 330,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,544.06 : 1,040,312.85 = 220,265.92 : x
  2. Step 2: Convert to fraction form
    693,544.06/1,040,312.85 = 220,265.92/x
  3. Step 3: Cross multiply
    693,544.06x = 1,040,312.85 × 220,265.92
  4. Step 4: Simplify right side
    693,544.06x = 229,145,466,993.07
  5. Step 5: Solve for x
    x = 229,145,466,993.07/693,544.06
  6. Step 6: Final answer
    x = 330,397.85

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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.