Home / 403,609.04-556,984.32-222,321.74

Finding the Fourth Proportional to 403,609.04, 556,984.32 and 222,321.74

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Solution

The fourth proportional to 403,609.04, 556,984.32 and 222,321.74 is: 306,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,609.04 : 556,984.32 = 222,321.74 : x
  2. Step 2: Convert to fraction form
    403,609.04/556,984.32 = 222,321.74/x
  3. Step 3: Cross multiply
    403,609.04x = 556,984.32 × 222,321.74
  4. Step 4: Simplify right side
    403,609.04x = 123,829,723,175.12
  5. Step 5: Solve for x
    x = 123,829,723,175.12/403,609.04
  6. Step 6: Final answer
    x = 306,806.12

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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.