Home / 897,964.92-1,345,914.90-392,408.28

Finding the Fourth Proportional to 897,964.92, 1,345,914.90 and 392,408.28

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Solution

The fourth proportional to 897,964.92, 1,345,914.90 and 392,408.28 is: 588,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,964.92 : 1,345,914.90 = 392,408.28 : x
  2. Step 2: Convert to fraction form
    897,964.92/1,345,914.90 = 392,408.28/x
  3. Step 3: Cross multiply
    897,964.92x = 1,345,914.90 × 392,408.28
  4. Step 4: Simplify right side
    897,964.92x = 528,148,150,935.37
  5. Step 5: Solve for x
    x = 528,148,150,935.37/897,964.92
  6. Step 6: Final answer
    x = 588,161.23

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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.