Home / 873,041.08-1,309,121.38-265,712.88

Finding the Fourth Proportional to 873,041.08, 1,309,121.38 and 265,712.88

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Solution

The fourth proportional to 873,041.08, 1,309,121.38 and 265,712.88 is: 398,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,041.08 : 1,309,121.38 = 265,712.88 : x
  2. Step 2: Convert to fraction form
    873,041.08/1,309,121.38 = 265,712.88/x
  3. Step 3: Cross multiply
    873,041.08x = 1,309,121.38 × 265,712.88
  4. Step 4: Simplify right side
    873,041.08x = 347,850,412,149.37
  5. Step 5: Solve for x
    x = 347,850,412,149.37/873,041.08
  6. Step 6: Final answer
    x = 398,435.33

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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.