Home / 531,789.68-733,872.04-290,077.52

Finding the Fourth Proportional to 531,789.68, 733,872.04 and 290,077.52

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Solution

The fourth proportional to 531,789.68, 733,872.04 and 290,077.52 is: 400,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,789.68 : 733,872.04 = 290,077.52 : x
  2. Step 2: Convert to fraction form
    531,789.68/733,872.04 = 290,077.52/x
  3. Step 3: Cross multiply
    531,789.68x = 733,872.04 × 290,077.52
  4. Step 4: Simplify right side
    531,789.68x = 212,879,781,360.54
  5. Step 5: Solve for x
    x = 212,879,781,360.54/531,789.68
  6. Step 6: Final answer
    x = 400,308.22

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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.