Home / 486,110.12-670,832.03-268,318.87

Finding the Fourth Proportional to 486,110.12, 670,832.03 and 268,318.87

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Solution

The fourth proportional to 486,110.12, 670,832.03 and 268,318.87 is: 370,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,110.12 : 670,832.03 = 268,318.87 : x
  2. Step 2: Convert to fraction form
    486,110.12/670,832.03 = 268,318.87/x
  3. Step 3: Cross multiply
    486,110.12x = 670,832.03 × 268,318.87
  4. Step 4: Simplify right side
    486,110.12x = 179,996,891,578.61
  5. Step 5: Solve for x
    x = 179,996,891,578.61/486,110.12
  6. Step 6: Final answer
    x = 370,280.07

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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.