Home / 439,864.52-607,012.65-238,660.52

Finding the Fourth Proportional to 439,864.52, 607,012.65 and 238,660.52

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Solution

The fourth proportional to 439,864.52, 607,012.65 and 238,660.52 is: 329,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,864.52 : 607,012.65 = 238,660.52 : x
  2. Step 2: Convert to fraction form
    439,864.52/607,012.65 = 238,660.52/x
  3. Step 3: Cross multiply
    439,864.52x = 607,012.65 × 238,660.52
  4. Step 4: Simplify right side
    439,864.52x = 144,869,951,660.52
  5. Step 5: Solve for x
    x = 144,869,951,660.52/439,864.52
  6. Step 6: Final answer
    x = 329,351.30

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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.