Home / 464,249.19-640,690.30-260,290.23

Finding the Fourth Proportional to 464,249.19, 640,690.30 and 260,290.23

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Solution

The fourth proportional to 464,249.19, 640,690.30 and 260,290.23 is: 359,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,249.19 : 640,690.30 = 260,290.23 : x
  2. Step 2: Convert to fraction form
    464,249.19/640,690.30 = 260,290.23/x
  3. Step 3: Cross multiply
    464,249.19x = 640,690.30 × 260,290.23
  4. Step 4: Simplify right side
    464,249.19x = 166,765,425,460.56
  5. Step 5: Solve for x
    x = 166,765,425,460.56/464,249.19
  6. Step 6: Final answer
    x = 359,215.33

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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.