Home / 849,292.68-1,273,939.98-218,211.72

Finding the Fourth Proportional to 849,292.68, 1,273,939.98 and 218,211.72

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Solution

The fourth proportional to 849,292.68, 1,273,939.98 and 218,211.72 is: 327,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,292.68 : 1,273,939.98 = 218,211.72 : x
  2. Step 2: Convert to fraction form
    849,292.68/1,273,939.98 = 218,211.72/x
  3. Step 3: Cross multiply
    849,292.68x = 1,273,939.98 × 218,211.72
  4. Step 4: Simplify right side
    849,292.68x = 277,988,634,212.57
  5. Step 5: Solve for x
    x = 277,988,634,212.57/849,292.68
  6. Step 6: Final answer
    x = 327,317.83

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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.