Home / 815,214.27-1,223,079.75-635,914.45

Finding the Fourth Proportional to 815,214.27, 1,223,079.75 and 635,914.45

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Solution

The fourth proportional to 815,214.27, 1,223,079.75 and 635,914.45 is: 954,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,214.27 : 1,223,079.75 = 635,914.45 : x
  2. Step 2: Convert to fraction form
    815,214.27/1,223,079.75 = 635,914.45/x
  3. Step 3: Cross multiply
    815,214.27x = 1,223,079.75 × 635,914.45
  4. Step 4: Simplify right side
    815,214.27x = 777,774,081,176.41
  5. Step 5: Solve for x
    x = 777,774,081,176.41/815,214.27
  6. Step 6: Final answer
    x = 954,073.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.