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Finding the Fourth Proportional to 617,815.20, 927,241.20 and 302,541.60

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Solution

The fourth proportional to 617,815.20, 927,241.20 and 302,541.60 is: 454,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,815.20 : 927,241.20 = 302,541.60 : x
  2. Step 2: Convert to fraction form
    617,815.20/927,241.20 = 302,541.60/x
  3. Step 3: Cross multiply
    617,815.20x = 927,241.20 × 302,541.60
  4. Step 4: Simplify right side
    617,815.20x = 280,529,036,233.92
  5. Step 5: Solve for x
    x = 280,529,036,233.92/617,815.20
  6. Step 6: Final answer
    x = 454,066.26

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1.5x scale

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.