Home / 878,613.59-1,317,949.36-302,231.07

Finding the Fourth Proportional to 878,613.59, 1,317,949.36 and 302,231.07

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Solution

The fourth proportional to 878,613.59, 1,317,949.36 and 302,231.07 is: 453,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,613.59 : 1,317,949.36 = 302,231.07 : x
  2. Step 2: Convert to fraction form
    878,613.59/1,317,949.36 = 302,231.07/x
  3. Step 3: Cross multiply
    878,613.59x = 1,317,949.36 × 302,231.07
  4. Step 4: Simplify right side
    878,613.59x = 398,325,244,523.04
  5. Step 5: Solve for x
    x = 398,325,244,523.04/878,613.59
  6. Step 6: Final answer
    x = 453,356.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.