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Finding the Fourth Proportional to 537,990.27, 807,305.40 and 271,777.74

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Solution

The fourth proportional to 537,990.27, 807,305.40 and 271,777.74 is: 407,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,990.27 : 807,305.40 = 271,777.74 : x
  2. Step 2: Convert to fraction form
    537,990.27/807,305.40 = 271,777.74/x
  3. Step 3: Cross multiply
    537,990.27x = 807,305.40 × 271,777.74
  4. Step 4: Simplify right side
    537,990.27x = 219,407,637,101.80
  5. Step 5: Solve for x
    x = 219,407,637,101.80/537,990.27
  6. Step 6: Final answer
    x = 407,828.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.