Home / 671,440.42-1,007,160.63-272,006.74

Finding the Fourth Proportional to 671,440.42, 1,007,160.63 and 272,006.74

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Solution

The fourth proportional to 671,440.42, 1,007,160.63 and 272,006.74 is: 408,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,440.42 : 1,007,160.63 = 272,006.74 : x
  2. Step 2: Convert to fraction form
    671,440.42/1,007,160.63 = 272,006.74/x
  3. Step 3: Cross multiply
    671,440.42x = 1,007,160.63 × 272,006.74
  4. Step 4: Simplify right side
    671,440.42x = 273,954,479,622.65
  5. Step 5: Solve for x
    x = 273,954,479,622.65/671,440.42
  6. Step 6: Final answer
    x = 408,010.11

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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.