Home / 689,199.25-1,033,799.10-284,385.55

Finding the Fourth Proportional to 689,199.25, 1,033,799.10 and 284,385.55

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Solution

The fourth proportional to 689,199.25, 1,033,799.10 and 284,385.55 is: 426,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,199.25 : 1,033,799.10 = 284,385.55 : x
  2. Step 2: Convert to fraction form
    689,199.25/1,033,799.10 = 284,385.55/x
  3. Step 3: Cross multiply
    689,199.25x = 1,033,799.10 × 284,385.55
  4. Step 4: Simplify right side
    689,199.25x = 293,997,525,530.10
  5. Step 5: Solve for x
    x = 293,997,525,530.10/689,199.25
  6. Step 6: Final answer
    x = 426,578.42

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Double scale
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Similar ratio
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1.5x scale

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.