Home / 815,606.82-1,125,555.24-448,088.69

Finding the Fourth Proportional to 815,606.82, 1,125,555.24 and 448,088.69

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Solution

The fourth proportional to 815,606.82, 1,125,555.24 and 448,088.69 is: 618,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,606.82 : 1,125,555.24 = 448,088.69 : x
  2. Step 2: Convert to fraction form
    815,606.82/1,125,555.24 = 448,088.69/x
  3. Step 3: Cross multiply
    815,606.82x = 1,125,555.24 × 448,088.69
  4. Step 4: Simplify right side
    815,606.82x = 504,348,573,014.24
  5. Step 5: Solve for x
    x = 504,348,573,014.24/815,606.82
  6. Step 6: Final answer
    x = 618,372.19

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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.