Home / 438,076.47-604,819.20-335,905.65

Finding the Fourth Proportional to 438,076.47, 604,819.20 and 335,905.65

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Solution

The fourth proportional to 438,076.47, 604,819.20 and 335,905.65 is: 463,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,076.47 : 604,819.20 = 335,905.65 : x
  2. Step 2: Convert to fraction form
    438,076.47/604,819.20 = 335,905.65/x
  3. Step 3: Cross multiply
    438,076.47x = 604,819.20 × 335,905.65
  4. Step 4: Simplify right side
    438,076.47x = 203,162,186,508.48
  5. Step 5: Solve for x
    x = 203,162,186,508.48/438,076.47
  6. Step 6: Final answer
    x = 463,759.64

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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.