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Finding the Fourth Proportional to 524,744.60, 787,114.22 and 204,928.94

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Solution

The fourth proportional to 524,744.60, 787,114.22 and 204,928.94 is: 307,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,744.60 : 787,114.22 = 204,928.94 : x
  2. Step 2: Convert to fraction form
    524,744.60/787,114.22 = 204,928.94/x
  3. Step 3: Cross multiply
    524,744.60x = 787,114.22 × 204,928.94
  4. Step 4: Simplify right side
    524,744.60x = 161,302,482,763.53
  5. Step 5: Solve for x
    x = 161,302,482,763.53/524,744.60
  6. Step 6: Final answer
    x = 307,392.36

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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.