Home / 427,918.14-641,264.85-240,535.98

Finding the Fourth Proportional to 427,918.14, 641,264.85 and 240,535.98

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Solution

The fourth proportional to 427,918.14, 641,264.85 and 240,535.98 is: 360,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,918.14 : 641,264.85 = 240,535.98 : x
  2. Step 2: Convert to fraction form
    427,918.14/641,264.85 = 240,535.98/x
  3. Step 3: Cross multiply
    427,918.14x = 641,264.85 × 240,535.98
  4. Step 4: Simplify right side
    427,918.14x = 154,247,269,134.30
  5. Step 5: Solve for x
    x = 154,247,269,134.30/427,918.14
  6. Step 6: Final answer
    x = 360,459.76

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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.