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Finding the Fourth Proportional to 652,345.80, 978,474.69 and 178,991.52

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Solution

The fourth proportional to 652,345.80, 978,474.69 and 178,991.52 is: 268,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,345.80 : 978,474.69 = 178,991.52 : x
  2. Step 2: Convert to fraction form
    652,345.80/978,474.69 = 178,991.52/x
  3. Step 3: Cross multiply
    652,345.80x = 978,474.69 × 178,991.52
  4. Step 4: Simplify right side
    652,345.80x = 175,138,672,044.63
  5. Step 5: Solve for x
    x = 175,138,672,044.63/652,345.80
  6. Step 6: Final answer
    x = 268,475.20

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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.