Home / 798,342.12-1,101,956.34-492,513.66

Finding the Fourth Proportional to 798,342.12, 1,101,956.34 and 492,513.66

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Solution

The fourth proportional to 798,342.12, 1,101,956.34 and 492,513.66 is: 679,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,342.12 : 1,101,956.34 = 492,513.66 : x
  2. Step 2: Convert to fraction form
    798,342.12/1,101,956.34 = 492,513.66/x
  3. Step 3: Cross multiply
    798,342.12x = 1,101,956.34 × 492,513.66
  4. Step 4: Simplify right side
    798,342.12x = 542,728,550,173.60
  5. Step 5: Solve for x
    x = 542,728,550,173.60/798,342.12
  6. Step 6: Final answer
    x = 679,819.51

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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.