Home / 874,997.63-1,312,689.13-267,790.61

Finding the Fourth Proportional to 874,997.63, 1,312,689.13 and 267,790.61

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Solution

The fourth proportional to 874,997.63, 1,312,689.13 and 267,790.61 is: 401,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,997.63 : 1,312,689.13 = 267,790.61 : x
  2. Step 2: Convert to fraction form
    874,997.63/1,312,689.13 = 267,790.61/x
  3. Step 3: Cross multiply
    874,997.63x = 1,312,689.13 × 267,790.61
  4. Step 4: Simplify right side
    874,997.63x = 351,525,822,863.07
  5. Step 5: Solve for x
    x = 351,525,822,863.07/874,997.63
  6. Step 6: Final answer
    x = 401,744.89

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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.