Home / 908,015.68-1,361,550.56-338,928.82

Finding the Fourth Proportional to 908,015.68, 1,361,550.56 and 338,928.82

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Solution

The fourth proportional to 908,015.68, 1,361,550.56 and 338,928.82 is: 508,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,015.68 : 1,361,550.56 = 338,928.82 : x
  2. Step 2: Convert to fraction form
    908,015.68/1,361,550.56 = 338,928.82/x
  3. Step 3: Cross multiply
    908,015.68x = 1,361,550.56 × 338,928.82
  4. Step 4: Simplify right side
    908,015.68x = 461,468,724,671.14
  5. Step 5: Solve for x
    x = 461,468,724,671.14/908,015.68
  6. Step 6: Final answer
    x = 508,216.69

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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.