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Finding the Fourth Proportional to 652,699.12, 978,809.47 and 226,124.77

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Solution

The fourth proportional to 652,699.12, 978,809.47 and 226,124.77 is: 339,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,699.12 : 978,809.47 = 226,124.77 : x
  2. Step 2: Convert to fraction form
    652,699.12/978,809.47 = 226,124.77/x
  3. Step 3: Cross multiply
    652,699.12x = 978,809.47 × 226,124.77
  4. Step 4: Simplify right side
    652,699.12x = 221,333,060,818.21
  5. Step 5: Solve for x
    x = 221,333,060,818.21/652,699.12
  6. Step 6: Final answer
    x = 339,104.28

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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.