Home / 762,498.18-1,142,949.25-256,884.44

Finding the Fourth Proportional to 762,498.18, 1,142,949.25 and 256,884.44

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Solution

The fourth proportional to 762,498.18, 1,142,949.25 and 256,884.44 is: 385,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,498.18 : 1,142,949.25 = 256,884.44 : x
  2. Step 2: Convert to fraction form
    762,498.18/1,142,949.25 = 256,884.44/x
  3. Step 3: Cross multiply
    762,498.18x = 1,142,949.25 × 256,884.44
  4. Step 4: Simplify right side
    762,498.18x = 293,605,874,771.86
  5. Step 5: Solve for x
    x = 293,605,874,771.86/762,498.18
  6. Step 6: Final answer
    x = 385,057.80

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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.