Home / 500,310.06-690,428.33-270,867.51

Finding the Fourth Proportional to 500,310.06, 690,428.33 and 270,867.51

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Solution

The fourth proportional to 500,310.06, 690,428.33 and 270,867.51 is: 373,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,310.06 : 690,428.33 = 270,867.51 : x
  2. Step 2: Convert to fraction form
    500,310.06/690,428.33 = 270,867.51/x
  3. Step 3: Cross multiply
    500,310.06x = 690,428.33 × 270,867.51
  4. Step 4: Simplify right side
    500,310.06x = 187,014,603,257.73
  5. Step 5: Solve for x
    x = 187,014,603,257.73/500,310.06
  6. Step 6: Final answer
    x = 373,797.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.