Home / 531,218.66-733,060.35-289,496.04

Finding the Fourth Proportional to 531,218.66, 733,060.35 and 289,496.04

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Solution

The fourth proportional to 531,218.66, 733,060.35 and 289,496.04 is: 399,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,218.66 : 733,060.35 = 289,496.04 : x
  2. Step 2: Convert to fraction form
    531,218.66/733,060.35 = 289,496.04/x
  3. Step 3: Cross multiply
    531,218.66x = 733,060.35 × 289,496.04
  4. Step 4: Simplify right side
    531,218.66x = 212,218,068,406.01
  5. Step 5: Solve for x
    x = 212,218,068,406.01/531,218.66
  6. Step 6: Final answer
    x = 399,492.88

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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.