Home / 400,719.37-552,992.72-219,442.38

Finding the Fourth Proportional to 400,719.37, 552,992.72 and 219,442.38

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Solution

The fourth proportional to 400,719.37, 552,992.72 and 219,442.38 is: 302,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,719.37 : 552,992.72 = 219,442.38 : x
  2. Step 2: Convert to fraction form
    400,719.37/552,992.72 = 219,442.38/x
  3. Step 3: Cross multiply
    400,719.37x = 552,992.72 × 219,442.38
  4. Step 4: Simplify right side
    400,719.37x = 121,350,037,502.26
  5. Step 5: Solve for x
    x = 121,350,037,502.26/400,719.37
  6. Step 6: Final answer
    x = 302,830.48

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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.