Home / 947,133.43-1,419,814.40-347,933.70

Finding the Fourth Proportional to 947,133.43, 1,419,814.40 and 347,933.70

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Solution

The fourth proportional to 947,133.43, 1,419,814.40 and 347,933.70 is: 521,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,133.43 : 1,419,814.40 = 347,933.70 : x
  2. Step 2: Convert to fraction form
    947,133.43/1,419,814.40 = 347,933.70/x
  3. Step 3: Cross multiply
    947,133.43x = 1,419,814.40 × 347,933.70
  4. Step 4: Simplify right side
    947,133.43x = 494,001,275,765.61
  5. Step 5: Solve for x
    x = 494,001,275,765.61/947,133.43
  6. Step 6: Final answer
    x = 521,575.17

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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.