Home / 677,119.80-1,015,812.46-250,658.90

Finding the Fourth Proportional to 677,119.80, 1,015,812.46 and 250,658.90

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Solution

The fourth proportional to 677,119.80, 1,015,812.46 and 250,658.90 is: 376,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,119.80 : 1,015,812.46 = 250,658.90 : x
  2. Step 2: Convert to fraction form
    677,119.80/1,015,812.46 = 250,658.90/x
  3. Step 3: Cross multiply
    677,119.80x = 1,015,812.46 × 250,658.90
  4. Step 4: Simplify right side
    677,119.80x = 254,622,439,116.14
  5. Step 5: Solve for x
    x = 254,622,439,116.14/677,119.80
  6. Step 6: Final answer
    x = 376,037.50

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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.