Home / 801,699.53-1,106,345.79-439,129.44

Finding the Fourth Proportional to 801,699.53, 1,106,345.79 and 439,129.44

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Solution

The fourth proportional to 801,699.53, 1,106,345.79 and 439,129.44 is: 605,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,699.53 : 1,106,345.79 = 439,129.44 : x
  2. Step 2: Convert to fraction form
    801,699.53/1,106,345.79 = 439,129.44/x
  3. Step 3: Cross multiply
    801,699.53x = 1,106,345.79 × 439,129.44
  4. Step 4: Simplify right side
    801,699.53x = 485,829,007,209.06
  5. Step 5: Solve for x
    x = 485,829,007,209.06/801,699.53
  6. Step 6: Final answer
    x = 605,998.87

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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.