Home / 531,809.24-733,901.42-290,092.88

Finding the Fourth Proportional to 531,809.24, 733,901.42 and 290,092.88

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Solution

The fourth proportional to 531,809.24, 733,901.42 and 290,092.88 is: 400,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,809.24 : 733,901.42 = 290,092.88 : x
  2. Step 2: Convert to fraction form
    531,809.24/733,901.42 = 290,092.88/x
  3. Step 3: Cross multiply
    531,809.24x = 733,901.42 × 290,092.88
  4. Step 4: Simplify right side
    531,809.24x = 212,899,579,123.88
  5. Step 5: Solve for x
    x = 212,899,579,123.88/531,809.24
  6. Step 6: Final answer
    x = 400,330.73

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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.