Home / 691,796.80-1,037,349.60-317,396.80

Finding the Fourth Proportional to 691,796.80, 1,037,349.60 and 317,396.80

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Solution

The fourth proportional to 691,796.80, 1,037,349.60 and 317,396.80 is: 475,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,796.80 : 1,037,349.60 = 317,396.80 : x
  2. Step 2: Convert to fraction form
    691,796.80/1,037,349.60 = 317,396.80/x
  3. Step 3: Cross multiply
    691,796.80x = 1,037,349.60 × 317,396.80
  4. Step 4: Simplify right side
    691,796.80x = 329,251,443,521.28
  5. Step 5: Solve for x
    x = 329,251,443,521.28/691,796.80
  6. Step 6: Final answer
    x = 475,936.64

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Double scale
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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.