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Finding the Fourth Proportional to 531,604.94, 733,632.53 and 289,900.73

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Solution

The fourth proportional to 531,604.94, 733,632.53 and 289,900.73 is: 400,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,604.94 : 733,632.53 = 289,900.73 : x
  2. Step 2: Convert to fraction form
    531,604.94/733,632.53 = 289,900.73/x
  3. Step 3: Cross multiply
    531,604.94x = 733,632.53 × 289,900.73
  4. Step 4: Simplify right side
    531,604.94x = 212,680,606,383.33
  5. Step 5: Solve for x
    x = 212,680,606,383.33/531,604.94
  6. Step 6: Final answer
    x = 400,072.67

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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.