Home / 892,214.86-1,231,223.61-484,307.75

Finding the Fourth Proportional to 892,214.86, 1,231,223.61 and 484,307.75

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Solution

The fourth proportional to 892,214.86, 1,231,223.61 and 484,307.75 is: 668,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,214.86 : 1,231,223.61 = 484,307.75 : x
  2. Step 2: Convert to fraction form
    892,214.86/1,231,223.61 = 484,307.75/x
  3. Step 3: Cross multiply
    892,214.86x = 1,231,223.61 × 484,307.75
  4. Step 4: Simplify right side
    892,214.86x = 596,291,139,384.04
  5. Step 5: Solve for x
    x = 596,291,139,384.04/892,214.86
  6. Step 6: Final answer
    x = 668,326.84

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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.