Home / 947,193.80-1,420,770.56-307,496.52

Finding the Fourth Proportional to 947,193.80, 1,420,770.56 and 307,496.52

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Solution

The fourth proportional to 947,193.80, 1,420,770.56 and 307,496.52 is: 461,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,193.80 : 1,420,770.56 = 307,496.52 : x
  2. Step 2: Convert to fraction form
    947,193.80/1,420,770.56 = 307,496.52/x
  3. Step 3: Cross multiply
    947,193.80x = 1,420,770.56 × 307,496.52
  4. Step 4: Simplify right side
    947,193.80x = 436,882,001,380.97
  5. Step 5: Solve for x
    x = 436,882,001,380.97/947,193.80
  6. Step 6: Final answer
    x = 461,238.24

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1.5x scale

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.