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Finding the Fourth Proportional to 517,318.68, 775,751.82 and 260,993.58

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Solution

The fourth proportional to 517,318.68, 775,751.82 and 260,993.58 is: 391,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,318.68 : 775,751.82 = 260,993.58 : x
  2. Step 2: Convert to fraction form
    517,318.68/775,751.82 = 260,993.58/x
  3. Step 3: Cross multiply
    517,318.68x = 775,751.82 × 260,993.58
  4. Step 4: Simplify right side
    517,318.68x = 202,466,244,693.32
  5. Step 5: Solve for x
    x = 202,466,244,693.32/517,318.68
  6. Step 6: Final answer
    x = 391,376.25

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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.