Home / 531,200.09-733,037.50-289,477.73

Finding the Fourth Proportional to 531,200.09, 733,037.50 and 289,477.73

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Solution

The fourth proportional to 531,200.09, 733,037.50 and 289,477.73 is: 399,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,200.09 : 733,037.50 = 289,477.73 : x
  2. Step 2: Convert to fraction form
    531,200.09/733,037.50 = 289,477.73/x
  3. Step 3: Cross multiply
    531,200.09x = 733,037.50 × 289,477.73
  4. Step 4: Simplify right side
    531,200.09x = 212,198,031,504.88
  5. Step 5: Solve for x
    x = 212,198,031,504.88/531,200.09
  6. Step 6: Final answer
    x = 399,469.12

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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.