Home / 915,202.40-1,372,873.76-307,993.68

Finding the Fourth Proportional to 915,202.40, 1,372,873.76 and 307,993.68

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Solution

The fourth proportional to 915,202.40, 1,372,873.76 and 307,993.68 is: 462,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,202.40 : 1,372,873.76 = 307,993.68 : x
  2. Step 2: Convert to fraction form
    915,202.40/1,372,873.76 = 307,993.68/x
  3. Step 3: Cross multiply
    915,202.40x = 1,372,873.76 × 307,993.68
  4. Step 4: Simplify right side
    915,202.40x = 422,836,439,977.87
  5. Step 5: Solve for x
    x = 422,836,439,977.87/915,202.40
  6. Step 6: Final answer
    x = 462,014.13

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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.