Home / 403,962-557,464.56-222,674.10

Finding the Fourth Proportional to 403,962, 557,464.56 and 222,674.10

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Solution

The fourth proportional to 403,962, 557,464.56 and 222,674.10 is: 307,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,962 : 557,464.56 = 222,674.10 : x
  2. Step 2: Convert to fraction form
    403,962/557,464.56 = 222,674.10/x
  3. Step 3: Cross multiply
    403,962x = 557,464.56 × 222,674.10
  4. Step 4: Simplify right side
    403,962x = 124,132,919,179.90
  5. Step 5: Solve for x
    x = 124,132,919,179.90/403,962
  6. Step 6: Final answer
    x = 307,288.60

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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.