Home / 777,019.03-1,165,686.76-327,741.59

Finding the Fourth Proportional to 777,019.03, 1,165,686.76 and 327,741.59

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Solution

The fourth proportional to 777,019.03, 1,165,686.76 and 327,741.59 is: 491,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,019.03 : 1,165,686.76 = 327,741.59 : x
  2. Step 2: Convert to fraction form
    777,019.03/1,165,686.76 = 327,741.59/x
  3. Step 3: Cross multiply
    777,019.03x = 1,165,686.76 × 327,741.59
  4. Step 4: Simplify right side
    777,019.03x = 382,044,035,488.24
  5. Step 5: Solve for x
    x = 382,044,035,488.24/777,019.03
  6. Step 6: Final answer
    x = 491,679.12

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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.