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Finding the Fourth Proportional to 652,512.07, 978,580.19 and 179,212.87

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Solution

The fourth proportional to 652,512.07, 978,580.19 and 179,212.87 is: 268,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,512.07 : 978,580.19 = 179,212.87 : x
  2. Step 2: Convert to fraction form
    652,512.07/978,580.19 = 179,212.87/x
  3. Step 3: Cross multiply
    652,512.07x = 978,580.19 × 179,212.87
  4. Step 4: Simplify right side
    652,512.07x = 175,374,163,478.98
  5. Step 5: Solve for x
    x = 175,374,163,478.98/652,512.07
  6. Step 6: Final answer
    x = 268,767.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.