Home / 779,975.82-1,170,062.13-267,740.78

Finding the Fourth Proportional to 779,975.82, 1,170,062.13 and 267,740.78

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Solution

The fourth proportional to 779,975.82, 1,170,062.13 and 267,740.78 is: 401,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,975.82 : 1,170,062.13 = 267,740.78 : x
  2. Step 2: Convert to fraction form
    779,975.82/1,170,062.13 = 267,740.78/x
  3. Step 3: Cross multiply
    779,975.82x = 1,170,062.13 × 267,740.78
  4. Step 4: Simplify right side
    779,975.82x = 313,273,341,484.35
  5. Step 5: Solve for x
    x = 313,273,341,484.35/779,975.82
  6. Step 6: Final answer
    x = 401,644.94

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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.