Home / 892,216.86-1,231,226.37-484,309.75

Finding the Fourth Proportional to 892,216.86, 1,231,226.37 and 484,309.75

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Solution

The fourth proportional to 892,216.86, 1,231,226.37 and 484,309.75 is: 668,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,216.86 : 1,231,226.37 = 484,309.75 : x
  2. Step 2: Convert to fraction form
    892,216.86/1,231,226.37 = 484,309.75/x
  3. Step 3: Cross multiply
    892,216.86x = 1,231,226.37 × 484,309.75
  4. Step 4: Simplify right side
    892,216.86x = 596,294,935,448.11
  5. Step 5: Solve for x
    x = 596,294,935,448.11/892,216.86
  6. Step 6: Final answer
    x = 668,329.60

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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.