Home / 674,643.18-1,011,969.20-269,869.24

Finding the Fourth Proportional to 674,643.18, 1,011,969.20 and 269,869.24

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Solution

The fourth proportional to 674,643.18, 1,011,969.20 and 269,869.24 is: 404,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,643.18 : 1,011,969.20 = 269,869.24 : x
  2. Step 2: Convert to fraction form
    674,643.18/1,011,969.20 = 269,869.24/x
  3. Step 3: Cross multiply
    674,643.18x = 1,011,969.20 × 269,869.24
  4. Step 4: Simplify right side
    674,643.18x = 273,099,358,907.41
  5. Step 5: Solve for x
    x = 273,099,358,907.41/674,643.18
  6. Step 6: Final answer
    x = 404,805.63

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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.