Home / 801,397.13-1,105,953.05-438,855.39

Finding the Fourth Proportional to 801,397.13, 1,105,953.05 and 438,855.39

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Solution

The fourth proportional to 801,397.13, 1,105,953.05 and 438,855.39 is: 605,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,397.13 : 1,105,953.05 = 438,855.39 : x
  2. Step 2: Convert to fraction form
    801,397.13/1,105,953.05 = 438,855.39/x
  3. Step 3: Cross multiply
    801,397.13x = 1,105,953.05 × 438,855.39
  4. Step 4: Simplify right side
    801,397.13x = 485,353,458,176.58
  5. Step 5: Solve for x
    x = 485,353,458,176.58/801,397.13
  6. Step 6: Final answer
    x = 605,634.14

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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.