Home / 417,874.08-576,660.32-236,581.30

Finding the Fourth Proportional to 417,874.08, 576,660.32 and 236,581.30

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Solution

The fourth proportional to 417,874.08, 576,660.32 and 236,581.30 is: 326,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,874.08 : 576,660.32 = 236,581.30 : x
  2. Step 2: Convert to fraction form
    417,874.08/576,660.32 = 236,581.30/x
  3. Step 3: Cross multiply
    417,874.08x = 576,660.32 × 236,581.30
  4. Step 4: Simplify right side
    417,874.08x = 136,427,047,701.94
  5. Step 5: Solve for x
    x = 136,427,047,701.94/417,874.08
  6. Step 6: Final answer
    x = 326,478.84

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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.