Home / 688,104-1,031,890.56-267,324.48

Finding the Fourth Proportional to 688,104, 1,031,890.56 and 267,324.48

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Solution

The fourth proportional to 688,104, 1,031,890.56 and 267,324.48 is: 400,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,104 : 1,031,890.56 = 267,324.48 : x
  2. Step 2: Convert to fraction form
    688,104/1,031,890.56 = 267,324.48/x
  3. Step 3: Cross multiply
    688,104x = 1,031,890.56 × 267,324.48
  4. Step 4: Simplify right side
    688,104x = 275,849,607,368.91
  5. Step 5: Solve for x
    x = 275,849,607,368.91/688,104
  6. Step 6: Final answer
    x = 400,883.60

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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.