Home / 778,081.82-1,167,182.87-298,539.14

Finding the Fourth Proportional to 778,081.82, 1,167,182.87 and 298,539.14

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Solution

The fourth proportional to 778,081.82, 1,167,182.87 and 298,539.14 is: 447,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,081.82 : 1,167,182.87 = 298,539.14 : x
  2. Step 2: Convert to fraction form
    778,081.82/1,167,182.87 = 298,539.14/x
  3. Step 3: Cross multiply
    778,081.82x = 1,167,182.87 × 298,539.14
  4. Step 4: Simplify right side
    778,081.82x = 348,449,762,903.92
  5. Step 5: Solve for x
    x = 348,449,762,903.92/778,081.82
  6. Step 6: Final answer
    x = 447,831.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.