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Finding the Fourth Proportional to 632,690.66, 873,110.75 and 342,301.29

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Solution

The fourth proportional to 632,690.66, 873,110.75 and 342,301.29 is: 472,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,690.66 : 873,110.75 = 342,301.29 : x
  2. Step 2: Convert to fraction form
    632,690.66/873,110.75 = 342,301.29/x
  3. Step 3: Cross multiply
    632,690.66x = 873,110.75 × 342,301.29
  4. Step 4: Simplify right side
    632,690.66x = 298,866,935,963.44
  5. Step 5: Solve for x
    x = 298,866,935,963.44/632,690.66
  6. Step 6: Final answer
    x = 472,374.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.