Home / 766,453.25-1,149,814.98-316,922.24

Finding the Fourth Proportional to 766,453.25, 1,149,814.98 and 316,922.24

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Solution

The fourth proportional to 766,453.25, 1,149,814.98 and 316,922.24 is: 475,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,453.25 : 1,149,814.98 = 316,922.24 : x
  2. Step 2: Convert to fraction form
    766,453.25/1,149,814.98 = 316,922.24/x
  3. Step 3: Cross multiply
    766,453.25x = 1,149,814.98 × 316,922.24
  4. Step 4: Simplify right side
    766,453.25x = 364,401,941,921.69
  5. Step 5: Solve for x
    x = 364,401,941,921.69/766,453.25
  6. Step 6: Final answer
    x = 475,439.23

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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.