Home / 654,442.05-981,132.57-294,349.23

Finding the Fourth Proportional to 654,442.05, 981,132.57 and 294,349.23

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Solution

The fourth proportional to 654,442.05, 981,132.57 and 294,349.23 is: 441,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,442.05 : 981,132.57 = 294,349.23 : x
  2. Step 2: Convert to fraction form
    654,442.05/981,132.57 = 294,349.23/x
  3. Step 3: Cross multiply
    654,442.05x = 981,132.57 × 294,349.23
  4. Step 4: Simplify right side
    654,442.05x = 288,795,616,507.42
  5. Step 5: Solve for x
    x = 288,795,616,507.42/654,442.05
  6. Step 6: Final answer
    x = 441,285.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.