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Finding the Fourth Proportional to 592,684.90, 817,896.90 and 338,040.34

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Solution

The fourth proportional to 592,684.90, 817,896.90 and 338,040.34 is: 466,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,684.90 : 817,896.90 = 338,040.34 : x
  2. Step 2: Convert to fraction form
    592,684.90/817,896.90 = 338,040.34/x
  3. Step 3: Cross multiply
    592,684.90x = 817,896.90 × 338,040.34
  4. Step 4: Simplify right side
    592,684.90x = 276,482,146,160.95
  5. Step 5: Solve for x
    x = 276,482,146,160.95/592,684.90
  6. Step 6: Final answer
    x = 466,490.96

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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.