Home / 790,808.04-1,091,313.10-428,231.88

Finding the Fourth Proportional to 790,808.04, 1,091,313.10 and 428,231.88

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Solution

The fourth proportional to 790,808.04, 1,091,313.10 and 428,231.88 is: 590,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,808.04 : 1,091,313.10 = 428,231.88 : x
  2. Step 2: Convert to fraction form
    790,808.04/1,091,313.10 = 428,231.88/x
  3. Step 3: Cross multiply
    790,808.04x = 1,091,313.10 × 428,231.88
  4. Step 4: Simplify right side
    790,808.04x = 467,335,060,481.63
  5. Step 5: Solve for x
    x = 467,335,060,481.63/790,808.04
  6. Step 6: Final answer
    x = 590,958.91

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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.