Home / 851,948.28-1,175,682.06-469,991.16

Finding the Fourth Proportional to 851,948.28, 1,175,682.06 and 469,991.16

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Solution

The fourth proportional to 851,948.28, 1,175,682.06 and 469,991.16 is: 648,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,948.28 : 1,175,682.06 = 469,991.16 : x
  2. Step 2: Convert to fraction form
    851,948.28/1,175,682.06 = 469,991.16/x
  3. Step 3: Cross multiply
    851,948.28x = 1,175,682.06 × 469,991.16
  4. Step 4: Simplify right side
    851,948.28x = 552,560,175,170.59
  5. Step 5: Solve for x
    x = 552,560,175,170.59/851,948.28
  6. Step 6: Final answer
    x = 648,584.18

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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.