Home / 943,518.92-1,415,015.50-312,481.96

Finding the Fourth Proportional to 943,518.92, 1,415,015.50 and 312,481.96

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Solution

The fourth proportional to 943,518.92, 1,415,015.50 and 312,481.96 is: 468,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,518.92 : 1,415,015.50 = 312,481.96 : x
  2. Step 2: Convert to fraction form
    943,518.92/1,415,015.50 = 312,481.96/x
  3. Step 3: Cross multiply
    943,518.92x = 1,415,015.50 × 312,481.96
  4. Step 4: Simplify right side
    943,518.92x = 442,166,816,870.38
  5. Step 5: Solve for x
    x = 442,166,816,870.38/943,518.92
  6. Step 6: Final answer
    x = 468,635.88

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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.