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Finding the Fourth Proportional to 622,684.68, 859,325.94 and 368,253.96

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Solution

The fourth proportional to 622,684.68, 859,325.94 and 368,253.96 is: 508,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,684.68 : 859,325.94 = 368,253.96 : x
  2. Step 2: Convert to fraction form
    622,684.68/859,325.94 = 368,253.96/x
  3. Step 3: Cross multiply
    622,684.68x = 859,325.94 × 368,253.96
  4. Step 4: Simplify right side
    622,684.68x = 316,450,180,335.72
  5. Step 5: Solve for x
    x = 316,450,180,335.72/622,684.68
  6. Step 6: Final answer
    x = 508,202.93

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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.