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Finding the Fourth Proportional to 806,662.12, 1,208,661.90 and 468,754.24

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Solution

The fourth proportional to 806,662.12, 1,208,661.90 and 468,754.24 is: 702,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,662.12 : 1,208,661.90 = 468,754.24 : x
  2. Step 2: Convert to fraction form
    806,662.12/1,208,661.90 = 468,754.24/x
  3. Step 3: Cross multiply
    806,662.12x = 1,208,661.90 × 468,754.24
  4. Step 4: Simplify right side
    806,662.12x = 566,565,390,351.46
  5. Step 5: Solve for x
    x = 566,565,390,351.46/806,662.12
  6. Step 6: Final answer
    x = 702,357.75

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Why These Related Problems?

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