Home / 677,867.88-1,015,562.52-317,377.38

Finding the Fourth Proportional to 677,867.88, 1,015,562.52 and 317,377.38

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Solution

The fourth proportional to 677,867.88, 1,015,562.52 and 317,377.38 is: 475,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,867.88 : 1,015,562.52 = 317,377.38 : x
  2. Step 2: Convert to fraction form
    677,867.88/1,015,562.52 = 317,377.38/x
  3. Step 3: Cross multiply
    677,867.88x = 1,015,562.52 × 317,377.38
  4. Step 4: Simplify right side
    677,867.88x = 322,316,571,823.80
  5. Step 5: Solve for x
    x = 322,316,571,823.80/677,867.88
  6. Step 6: Final answer
    x = 475,485.83

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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.