Home / 486,849.71-671,884.13-271,990.94

Finding the Fourth Proportional to 486,849.71, 671,884.13 and 271,990.94

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Solution

The fourth proportional to 486,849.71, 671,884.13 and 271,990.94 is: 375,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,849.71 : 671,884.13 = 271,990.94 : x
  2. Step 2: Convert to fraction form
    486,849.71/671,884.13 = 271,990.94/x
  3. Step 3: Cross multiply
    486,849.71x = 671,884.13 × 271,990.94
  4. Step 4: Simplify right side
    486,849.71x = 182,746,393,410.34
  5. Step 5: Solve for x
    x = 182,746,393,410.34/486,849.71
  6. Step 6: Final answer
    x = 375,365.10

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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.