Home / 815,995.70-1,126,099.42-448,466.16

Finding the Fourth Proportional to 815,995.70, 1,126,099.42 and 448,466.16

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Solution

The fourth proportional to 815,995.70, 1,126,099.42 and 448,466.16 is: 618,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,995.70 : 1,126,099.42 = 448,466.16 : x
  2. Step 2: Convert to fraction form
    815,995.70/1,126,099.42 = 448,466.16/x
  3. Step 3: Cross multiply
    815,995.70x = 1,126,099.42 × 448,466.16
  4. Step 4: Simplify right side
    815,995.70x = 505,017,481,544.46
  5. Step 5: Solve for x
    x = 505,017,481,544.46/815,995.70
  6. Step 6: Final answer
    x = 618,897.24

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Double scale
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1.5x scale

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.