Home / 468,905.28-647,089.92-254,045.34

Finding the Fourth Proportional to 468,905.28, 647,089.92 and 254,045.34

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Solution

The fourth proportional to 468,905.28, 647,089.92 and 254,045.34 is: 350,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,905.28 : 647,089.92 = 254,045.34 : x
  2. Step 2: Convert to fraction form
    468,905.28/647,089.92 = 254,045.34/x
  3. Step 3: Cross multiply
    468,905.28x = 647,089.92 × 254,045.34
  4. Step 4: Simplify right side
    468,905.28x = 164,390,178,736.97
  5. Step 5: Solve for x
    x = 164,390,178,736.97/468,905.28
  6. Step 6: Final answer
    x = 350,582.91

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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.