Home / 688,783.68-1,032,974.64-267,959.52

Finding the Fourth Proportional to 688,783.68, 1,032,974.64 and 267,959.52

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Solution

The fourth proportional to 688,783.68, 1,032,974.64 and 267,959.52 is: 401,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,783.68 : 1,032,974.64 = 267,959.52 : x
  2. Step 2: Convert to fraction form
    688,783.68/1,032,974.64 = 267,959.52/x
  3. Step 3: Cross multiply
    688,783.68x = 1,032,974.64 × 267,959.52
  4. Step 4: Simplify right side
    688,783.68x = 276,795,388,706.57
  5. Step 5: Solve for x
    x = 276,795,388,706.57/688,783.68
  6. Step 6: Final answer
    x = 401,861.13

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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.