Home / 517,960.38-777,667.50-265,422.36

Finding the Fourth Proportional to 517,960.38, 777,667.50 and 265,422.36

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Solution

The fourth proportional to 517,960.38, 777,667.50 and 265,422.36 is: 398,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,960.38 : 777,667.50 = 265,422.36 : x
  2. Step 2: Convert to fraction form
    517,960.38/777,667.50 = 265,422.36/x
  3. Step 3: Cross multiply
    517,960.38x = 777,667.50 × 265,422.36
  4. Step 4: Simplify right side
    517,960.38x = 206,410,343,145.30
  5. Step 5: Solve for x
    x = 206,410,343,145.30/517,960.38
  6. Step 6: Final answer
    x = 398,506.05

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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.