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Finding the Fourth Proportional to 652,567.38, 978,738.20 and 172,802.08

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Solution

The fourth proportional to 652,567.38, 978,738.20 and 172,802.08 is: 259,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,567.38 : 978,738.20 = 172,802.08 : x
  2. Step 2: Convert to fraction form
    652,567.38/978,738.20 = 172,802.08/x
  3. Step 3: Cross multiply
    652,567.38x = 978,738.20 × 172,802.08
  4. Step 4: Simplify right side
    652,567.38x = 169,127,996,735.46
  5. Step 5: Solve for x
    x = 169,127,996,735.46/652,567.38
  6. Step 6: Final answer
    x = 259,173.23

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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.