Home / 603,621.78-832,948.21-331,675.62

Finding the Fourth Proportional to 603,621.78, 832,948.21 and 331,675.62

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Solution

The fourth proportional to 603,621.78, 832,948.21 and 331,675.62 is: 457,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,621.78 : 832,948.21 = 331,675.62 : x
  2. Step 2: Convert to fraction form
    603,621.78/832,948.21 = 331,675.62/x
  3. Step 3: Cross multiply
    603,621.78x = 832,948.21 × 331,675.62
  4. Step 4: Simplify right side
    603,621.78x = 276,268,613,979.64
  5. Step 5: Solve for x
    x = 276,268,613,979.64/603,621.78
  6. Step 6: Final answer
    x = 457,684.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.