Home / 768,288.22-1,060,209.96-424,116.76

Finding the Fourth Proportional to 768,288.22, 1,060,209.96 and 424,116.76

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Solution

The fourth proportional to 768,288.22, 1,060,209.96 and 424,116.76 is: 585,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,288.22 : 1,060,209.96 = 424,116.76 : x
  2. Step 2: Convert to fraction form
    768,288.22/1,060,209.96 = 424,116.76/x
  3. Step 3: Cross multiply
    768,288.22x = 1,060,209.96 × 424,116.76
  4. Step 4: Simplify right side
    768,288.22x = 449,652,811,498.30
  5. Step 5: Solve for x
    x = 449,652,811,498.30/768,288.22
  6. Step 6: Final answer
    x = 585,265.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.