Home / 413,734.96-620,023.83-223,785.10

Finding the Fourth Proportional to 413,734.96, 620,023.83 and 223,785.10

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Solution

The fourth proportional to 413,734.96, 620,023.83 and 223,785.10 is: 335,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,734.96 : 620,023.83 = 223,785.10 : x
  2. Step 2: Convert to fraction form
    413,734.96/620,023.83 = 223,785.10/x
  3. Step 3: Cross multiply
    413,734.96x = 620,023.83 × 223,785.10
  4. Step 4: Simplify right side
    413,734.96x = 138,752,094,798.93
  5. Step 5: Solve for x
    x = 138,752,094,798.93/413,734.96
  6. Step 6: Final answer
    x = 335,364.69

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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.