Home / 835,161.92-1,253,399.52-386,089.28

Finding the Fourth Proportional to 835,161.92, 1,253,399.52 and 386,089.28

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Solution

The fourth proportional to 835,161.92, 1,253,399.52 and 386,089.28 is: 579,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,161.92 : 1,253,399.52 = 386,089.28 : x
  2. Step 2: Convert to fraction form
    835,161.92/1,253,399.52 = 386,089.28/x
  3. Step 3: Cross multiply
    835,161.92x = 1,253,399.52 × 386,089.28
  4. Step 4: Simplify right side
    835,161.92x = 483,924,118,229.15
  5. Step 5: Solve for x
    x = 483,924,118,229.15/835,161.92
  6. Step 6: Final answer
    x = 579,437.48

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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.