Home / 671,871.06-1,007,800.41-272,416.88

Finding the Fourth Proportional to 671,871.06, 1,007,800.41 and 272,416.88

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Solution

The fourth proportional to 671,871.06, 1,007,800.41 and 272,416.88 is: 408,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,871.06 : 1,007,800.41 = 272,416.88 : x
  2. Step 2: Convert to fraction form
    671,871.06/1,007,800.41 = 272,416.88/x
  3. Step 3: Cross multiply
    671,871.06x = 1,007,800.41 × 272,416.88
  4. Step 4: Simplify right side
    671,871.06x = 274,541,841,361.08
  5. Step 5: Solve for x
    x = 274,541,841,361.08/671,871.06
  6. Step 6: Final answer
    x = 408,622.81

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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.