Home / 448,941.30-673,648.41-259,534.68

Finding the Fourth Proportional to 448,941.30, 673,648.41 and 259,534.68

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Solution

The fourth proportional to 448,941.30, 673,648.41 and 259,534.68 is: 389,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,941.30 : 673,648.41 = 259,534.68 : x
  2. Step 2: Convert to fraction form
    448,941.30/673,648.41 = 259,534.68/x
  3. Step 3: Cross multiply
    448,941.30x = 673,648.41 × 259,534.68
  4. Step 4: Simplify right side
    448,941.30x = 174,835,125,663.29
  5. Step 5: Solve for x
    x = 174,835,125,663.29/448,941.30
  6. Step 6: Final answer
    x = 389,438.72

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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.