Home / 873,930.08-1,206,046.32-491,970.80

Finding the Fourth Proportional to 873,930.08, 1,206,046.32 and 491,970.80

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Solution

The fourth proportional to 873,930.08, 1,206,046.32 and 491,970.80 is: 678,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,930.08 : 1,206,046.32 = 491,970.80 : x
  2. Step 2: Convert to fraction form
    873,930.08/1,206,046.32 = 491,970.80/x
  3. Step 3: Cross multiply
    873,930.08x = 1,206,046.32 × 491,970.80
  4. Step 4: Simplify right side
    873,930.08x = 593,339,572,887.46
  5. Step 5: Solve for x
    x = 593,339,572,887.46/873,930.08
  6. Step 6: Final answer
    x = 678,932.54

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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.