Home / 984,080.80-1,476,121.20-319,232.80

Finding the Fourth Proportional to 984,080.80, 1,476,121.20 and 319,232.80

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Solution

The fourth proportional to 984,080.80, 1,476,121.20 and 319,232.80 is: 478,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,080.80 : 1,476,121.20 = 319,232.80 : x
  2. Step 2: Convert to fraction form
    984,080.80/1,476,121.20 = 319,232.80/x
  3. Step 3: Cross multiply
    984,080.80x = 1,476,121.20 × 319,232.80
  4. Step 4: Simplify right side
    984,080.80x = 471,226,303,815.36
  5. Step 5: Solve for x
    x = 471,226,303,815.36/984,080.80
  6. Step 6: Final answer
    x = 478,849.20

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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.