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Finding the Fourth Proportional to 805,906.66, 1,207,275.54 and 468,238.54

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Solution

The fourth proportional to 805,906.66, 1,207,275.54 and 468,238.54 is: 701,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,906.66 : 1,207,275.54 = 468,238.54 : x
  2. Step 2: Convert to fraction form
    805,906.66/1,207,275.54 = 468,238.54/x
  3. Step 3: Cross multiply
    805,906.66x = 1,207,275.54 × 468,238.54
  4. Step 4: Simplify right side
    805,906.66x = 565,292,936,227.31
  5. Step 5: Solve for x
    x = 565,292,936,227.31/805,906.66
  6. Step 6: Final answer
    x = 701,437.23

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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.