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Finding the Fourth Proportional to 652,663.49, 978,973.70 and 268,399.04

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Solution

The fourth proportional to 652,663.49, 978,973.70 and 268,399.04 is: 402,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,663.49 : 978,973.70 = 268,399.04 : x
  2. Step 2: Convert to fraction form
    652,663.49/978,973.70 = 268,399.04/x
  3. Step 3: Cross multiply
    652,663.49x = 978,973.70 × 268,399.04
  4. Step 4: Simplify right side
    652,663.49x = 262,755,595,028.38
  5. Step 5: Solve for x
    x = 262,755,595,028.38/652,663.49
  6. Step 6: Final answer
    x = 402,589.70

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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.