Home / 810,691.44-1,118,742.03-448,107.29

Finding the Fourth Proportional to 810,691.44, 1,118,742.03 and 448,107.29

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Solution

The fourth proportional to 810,691.44, 1,118,742.03 and 448,107.29 is: 618,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,691.44 : 1,118,742.03 = 448,107.29 : x
  2. Step 2: Convert to fraction form
    810,691.44/1,118,742.03 = 448,107.29/x
  3. Step 3: Cross multiply
    810,691.44x = 1,118,742.03 × 448,107.29
  4. Step 4: Simplify right side
    810,691.44x = 501,316,457,873.97
  5. Step 5: Solve for x
    x = 501,316,457,873.97/810,691.44
  6. Step 6: Final answer
    x = 618,381.34

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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.