Home / 851,939.28-1,175,669.64-469,982.16

Finding the Fourth Proportional to 851,939.28, 1,175,669.64 and 469,982.16

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Solution

The fourth proportional to 851,939.28, 1,175,669.64 and 469,982.16 is: 648,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,939.28 : 1,175,669.64 = 469,982.16 : x
  2. Step 2: Convert to fraction form
    851,939.28/1,175,669.64 = 469,982.16/x
  3. Step 3: Cross multiply
    851,939.28x = 1,175,669.64 × 469,982.16
  4. Step 4: Simplify right side
    851,939.28x = 552,543,756,853.62
  5. Step 5: Solve for x
    x = 552,543,756,853.62/851,939.28
  6. Step 6: Final answer
    x = 648,571.76

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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.