Home / 490,799.05-736,214.96-135,783.34

Finding the Fourth Proportional to 490,799.05, 736,214.96 and 135,783.34

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Solution

The fourth proportional to 490,799.05, 736,214.96 and 135,783.34 is: 203,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,799.05 : 736,214.96 = 135,783.34 : x
  2. Step 2: Convert to fraction form
    490,799.05/736,214.96 = 135,783.34/x
  3. Step 3: Cross multiply
    490,799.05x = 736,214.96 × 135,783.34
  4. Step 4: Simplify right side
    490,799.05x = 99,965,726,226.77
  5. Step 5: Solve for x
    x = 99,965,726,226.77/490,799.05
  6. Step 6: Final answer
    x = 203,679.54

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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.