Home / 790,694.68-1,091,154.04-428,111.04

Finding the Fourth Proportional to 790,694.68, 1,091,154.04 and 428,111.04

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Solution

The fourth proportional to 790,694.68, 1,091,154.04 and 428,111.04 is: 590,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,694.68 : 1,091,154.04 = 428,111.04 : x
  2. Step 2: Convert to fraction form
    790,694.68/1,091,154.04 = 428,111.04/x
  3. Step 3: Cross multiply
    790,694.68x = 1,091,154.04 × 428,111.04
  4. Step 4: Simplify right side
    790,694.68x = 467,135,087,748.41
  5. Step 5: Solve for x
    x = 467,135,087,748.41/790,694.68
  6. Step 6: Final answer
    x = 590,790.73

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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.