Home / 883,933.21-1,219,770.39-521,273.94

Finding the Fourth Proportional to 883,933.21, 1,219,770.39 and 521,273.94

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Solution

The fourth proportional to 883,933.21, 1,219,770.39 and 521,273.94 is: 719,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,933.21 : 1,219,770.39 = 521,273.94 : x
  2. Step 2: Convert to fraction form
    883,933.21/1,219,770.39 = 521,273.94/x
  3. Step 3: Cross multiply
    883,933.21x = 1,219,770.39 × 521,273.94
  4. Step 4: Simplify right side
    883,933.21x = 635,834,517,090.64
  5. Step 5: Solve for x
    x = 635,834,517,090.64/883,933.21
  6. Step 6: Final answer
    x = 719,324.16

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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.