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Finding the Fourth Proportional to 408,851.60, 613,277.40 and 302,563.40

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Solution

The fourth proportional to 408,851.60, 613,277.40 and 302,563.40 is: 453,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,851.60 : 613,277.40 = 302,563.40 : x
  2. Step 2: Convert to fraction form
    408,851.60/613,277.40 = 302,563.40/x
  3. Step 3: Cross multiply
    408,851.60x = 613,277.40 × 302,563.40
  4. Step 4: Simplify right side
    408,851.60x = 185,555,295,287.16
  5. Step 5: Solve for x
    x = 185,555,295,287.16/408,851.60
  6. Step 6: Final answer
    x = 453,845.10

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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.