Home / 819,982.08-1,131,598.08-480,464.64

Finding the Fourth Proportional to 819,982.08, 1,131,598.08 and 480,464.64

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Solution

The fourth proportional to 819,982.08, 1,131,598.08 and 480,464.64 is: 663,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,982.08 : 1,131,598.08 = 480,464.64 : x
  2. Step 2: Convert to fraction form
    819,982.08/1,131,598.08 = 480,464.64/x
  3. Step 3: Cross multiply
    819,982.08x = 1,131,598.08 × 480,464.64
  4. Step 4: Simplify right side
    819,982.08x = 543,692,864,131.89
  5. Step 5: Solve for x
    x = 543,692,864,131.89/819,982.08
  6. Step 6: Final answer
    x = 663,054.57

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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.