Home / 628,318.27-867,097.66-341,856.80

Finding the Fourth Proportional to 628,318.27, 867,097.66 and 341,856.80

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Solution

The fourth proportional to 628,318.27, 867,097.66 and 341,856.80 is: 471,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,318.27 : 867,097.66 = 341,856.80 : x
  2. Step 2: Convert to fraction form
    628,318.27/867,097.66 = 341,856.80/x
  3. Step 3: Cross multiply
    628,318.27x = 867,097.66 × 341,856.80
  4. Step 4: Simplify right side
    628,318.27x = 296,423,234,914.99
  5. Step 5: Solve for x
    x = 296,423,234,914.99/628,318.27
  6. Step 6: Final answer
    x = 471,772.43

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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.