Home / 892,307.73-1,231,385.48-484,409.31

Finding the Fourth Proportional to 892,307.73, 1,231,385.48 and 484,409.31

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Solution

The fourth proportional to 892,307.73, 1,231,385.48 and 484,409.31 is: 668,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,307.73 : 1,231,385.48 = 484,409.31 : x
  2. Step 2: Convert to fraction form
    892,307.73/1,231,385.48 = 484,409.31/x
  3. Step 3: Cross multiply
    892,307.73x = 1,231,385.48 × 484,409.31
  4. Step 4: Simplify right side
    892,307.73x = 596,494,588,288.77
  5. Step 5: Solve for x
    x = 596,494,588,288.77/892,307.73
  6. Step 6: Final answer
    x = 668,485.29

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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.