Home / 801,647.16-1,106,233.66-439,072.60

Finding the Fourth Proportional to 801,647.16, 1,106,233.66 and 439,072.60

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Solution

The fourth proportional to 801,647.16, 1,106,233.66 and 439,072.60 is: 605,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,647.16 : 1,106,233.66 = 439,072.60 : x
  2. Step 2: Convert to fraction form
    801,647.16/1,106,233.66 = 439,072.60/x
  3. Step 3: Cross multiply
    801,647.16x = 1,106,233.66 × 439,072.60
  4. Step 4: Simplify right side
    801,647.16x = 485,716,889,303.72
  5. Step 5: Solve for x
    x = 485,716,889,303.72/801,647.16
  6. Step 6: Final answer
    x = 605,898.60

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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.