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Finding the Fourth Proportional to 553,949.59, 764,450.43 and 299,300.77

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Solution

The fourth proportional to 553,949.59, 764,450.43 and 299,300.77 is: 413,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,949.59 : 764,450.43 = 299,300.77 : x
  2. Step 2: Convert to fraction form
    553,949.59/764,450.43 = 299,300.77/x
  3. Step 3: Cross multiply
    553,949.59x = 764,450.43 × 299,300.77
  4. Step 4: Simplify right side
    553,949.59x = 228,800,605,682.62
  5. Step 5: Solve for x
    x = 228,800,605,682.62/553,949.59
  6. Step 6: Final answer
    x = 413,035.07

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1.5x scale

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.