Home / 497,664.48-686,777.31-271,309.98

Finding the Fourth Proportional to 497,664.48, 686,777.31 and 271,309.98

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Solution

The fourth proportional to 497,664.48, 686,777.31 and 271,309.98 is: 374,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664.48 : 686,777.31 = 271,309.98 : x
  2. Step 2: Convert to fraction form
    497,664.48/686,777.31 = 271,309.98/x
  3. Step 3: Cross multiply
    497,664.48x = 686,777.31 × 271,309.98
  4. Step 4: Simplify right side
    497,664.48x = 186,329,538,240.55
  5. Step 5: Solve for x
    x = 186,329,538,240.55/497,664.48
  6. Step 6: Final answer
    x = 374,407.95

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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.