Home / 531,504.08-733,478.94-289,790.67

Finding the Fourth Proportional to 531,504.08, 733,478.94 and 289,790.67

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Solution

The fourth proportional to 531,504.08, 733,478.94 and 289,790.67 is: 399,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,504.08 : 733,478.94 = 289,790.67 : x
  2. Step 2: Convert to fraction form
    531,504.08/733,478.94 = 289,790.67/x
  3. Step 3: Cross multiply
    531,504.08x = 733,478.94 × 289,790.67
  4. Step 4: Simplify right side
    531,504.08x = 212,555,353,453.49
  5. Step 5: Solve for x
    x = 212,555,353,453.49/531,504.08
  6. Step 6: Final answer
    x = 399,912.93

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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.