Home / 855,186.45-1,180,282.50-492,539.73

Finding the Fourth Proportional to 855,186.45, 1,180,282.50 and 492,539.73

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Solution

The fourth proportional to 855,186.45, 1,180,282.50 and 492,539.73 is: 679,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,186.45 : 1,180,282.50 = 492,539.73 : x
  2. Step 2: Convert to fraction form
    855,186.45/1,180,282.50 = 492,539.73/x
  3. Step 3: Cross multiply
    855,186.45x = 1,180,282.50 × 492,539.73
  4. Step 4: Simplify right side
    855,186.45x = 581,336,023,873.73
  5. Step 5: Solve for x
    x = 581,336,023,873.73/855,186.45
  6. Step 6: Final answer
    x = 679,776.94

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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.