Home / 810,691.01-1,118,733.91-448,105.54

Finding the Fourth Proportional to 810,691.01, 1,118,733.91 and 448,105.54

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Solution

The fourth proportional to 810,691.01, 1,118,733.91 and 448,105.54 is: 618,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,691.01 : 1,118,733.91 = 448,105.54 : x
  2. Step 2: Convert to fraction form
    810,691.01/1,118,733.91 = 448,105.54/x
  3. Step 3: Cross multiply
    810,691.01x = 1,118,733.91 × 448,105.54
  4. Step 4: Simplify right side
    810,691.01x = 501,310,862,856.86
  5. Step 5: Solve for x
    x = 501,310,862,856.86/810,691.01
  6. Step 6: Final answer
    x = 618,374.77

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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.