Home / 892,503.90-1,231,676.78-484,622.93

Finding the Fourth Proportional to 892,503.90, 1,231,676.78 and 484,622.93

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Solution

The fourth proportional to 892,503.90, 1,231,676.78 and 484,622.93 is: 668,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,503.90 : 1,231,676.78 = 484,622.93 : x
  2. Step 2: Convert to fraction form
    892,503.90/1,231,676.78 = 484,622.93/x
  3. Step 3: Cross multiply
    892,503.90x = 1,231,676.78 × 484,622.93
  4. Step 4: Simplify right side
    892,503.90x = 596,898,801,355.07
  5. Step 5: Solve for x
    x = 596,898,801,355.07/892,503.90
  6. Step 6: Final answer
    x = 668,791.25

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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.