Home / 693,543.06-1,040,311.35-220,264.92

Finding the Fourth Proportional to 693,543.06, 1,040,311.35 and 220,264.92

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Solution

The fourth proportional to 693,543.06, 1,040,311.35 and 220,264.92 is: 330,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,543.06 : 1,040,311.35 = 220,264.92 : x
  2. Step 2: Convert to fraction form
    693,543.06/1,040,311.35 = 220,264.92/x
  3. Step 3: Cross multiply
    693,543.06x = 1,040,311.35 × 220,264.92
  4. Step 4: Simplify right side
    693,543.06x = 229,144,096,282.84
  5. Step 5: Solve for x
    x = 229,144,096,282.84/693,543.06
  6. Step 6: Final answer
    x = 330,396.35

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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.