Home / 688,961.68-1,033,241.64-268,137.52

Finding the Fourth Proportional to 688,961.68, 1,033,241.64 and 268,137.52

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Solution

The fourth proportional to 688,961.68, 1,033,241.64 and 268,137.52 is: 402,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,961.68 : 1,033,241.64 = 268,137.52 : x
  2. Step 2: Convert to fraction form
    688,961.68/1,033,241.64 = 268,137.52/x
  3. Step 3: Cross multiply
    688,961.68x = 1,033,241.64 × 268,137.52
  4. Step 4: Simplify right side
    688,961.68x = 277,050,850,910.33
  5. Step 5: Solve for x
    x = 277,050,850,910.33/688,961.68
  6. Step 6: Final answer
    x = 402,128.10

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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.