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Finding the Fourth Proportional to 466,604.16, 643,906.59 and 262,654.46

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Solution

The fourth proportional to 466,604.16, 643,906.59 and 262,654.46 is: 362,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,604.16 : 643,906.59 = 262,654.46 : x
  2. Step 2: Convert to fraction form
    466,604.16/643,906.59 = 262,654.46/x
  3. Step 3: Cross multiply
    466,604.16x = 643,906.59 × 262,654.46
  4. Step 4: Simplify right side
    466,604.16x = 169,124,934,467.36
  5. Step 5: Solve for x
    x = 169,124,934,467.36/466,604.16
  6. Step 6: Final answer
    x = 362,459.12

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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.