Home / 637,836.80-957,532.80-322,131.20

Finding the Fourth Proportional to 637,836.80, 957,532.80 and 322,131.20

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Solution

The fourth proportional to 637,836.80, 957,532.80 and 322,131.20 is: 483,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,836.80 : 957,532.80 = 322,131.20 : x
  2. Step 2: Convert to fraction form
    637,836.80/957,532.80 = 322,131.20/x
  3. Step 3: Cross multiply
    637,836.80x = 957,532.80 × 322,131.20
  4. Step 4: Simplify right side
    637,836.80x = 308,451,189,903.36
  5. Step 5: Solve for x
    x = 308,451,189,903.36/637,836.80
  6. Step 6: Final answer
    x = 483,589.52

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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.