Home / 801,442.27-1,105,996.08-438,899.59

Finding the Fourth Proportional to 801,442.27, 1,105,996.08 and 438,899.59

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Solution

The fourth proportional to 801,442.27, 1,105,996.08 and 438,899.59 is: 605,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,442.27 : 1,105,996.08 = 438,899.59 : x
  2. Step 2: Convert to fraction form
    801,442.27/1,105,996.08 = 438,899.59/x
  3. Step 3: Cross multiply
    801,442.27x = 1,105,996.08 × 438,899.59
  4. Step 4: Simplify right side
    801,442.27x = 485,421,226,053.61
  5. Step 5: Solve for x
    x = 485,421,226,053.61/801,442.27
  6. Step 6: Final answer
    x = 605,684.58

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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.