Home / 883,932.21-1,219,769.01-521,272.94

Finding the Fourth Proportional to 883,932.21, 1,219,769.01 and 521,272.94

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Solution

The fourth proportional to 883,932.21, 1,219,769.01 and 521,272.94 is: 719,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,932.21 : 1,219,769.01 = 521,272.94 : x
  2. Step 2: Convert to fraction form
    883,932.21/1,219,769.01 = 521,272.94/x
  3. Step 3: Cross multiply
    883,932.21x = 1,219,769.01 × 521,272.94
  4. Step 4: Simplify right side
    883,932.21x = 635,832,571,864.74
  5. Step 5: Solve for x
    x = 635,832,571,864.74/883,932.21
  6. Step 6: Final answer
    x = 719,322.78

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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.