Home / 531,346.43-733,247.13-289,626.91

Finding the Fourth Proportional to 531,346.43, 733,247.13 and 289,626.91

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Solution

The fourth proportional to 531,346.43, 733,247.13 and 289,626.91 is: 399,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,346.43 : 733,247.13 = 289,626.91 : x
  2. Step 2: Convert to fraction form
    531,346.43/733,247.13 = 289,626.91/x
  3. Step 3: Cross multiply
    531,346.43x = 733,247.13 × 289,626.91
  4. Step 4: Simplify right side
    531,346.43x = 212,368,100,528.27
  5. Step 5: Solve for x
    x = 212,368,100,528.27/531,346.43
  6. Step 6: Final answer
    x = 399,679.17

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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.