Home / 790,937.19-1,091,494.22-428,361.48

Finding the Fourth Proportional to 790,937.19, 1,091,494.22 and 428,361.48

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Solution

The fourth proportional to 790,937.19, 1,091,494.22 and 428,361.48 is: 591,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,937.19 : 1,091,494.22 = 428,361.48 : x
  2. Step 2: Convert to fraction form
    790,937.19/1,091,494.22 = 428,361.48/x
  3. Step 3: Cross multiply
    790,937.19x = 1,091,494.22 × 428,361.48
  4. Step 4: Simplify right side
    790,937.19x = 467,554,077,348.84
  5. Step 5: Solve for x
    x = 467,554,077,348.84/790,937.19
  6. Step 6: Final answer
    x = 591,139.33

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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.