Home / 949,979.88-1,310,942.88-520,248.96

Finding the Fourth Proportional to 949,979.88, 1,310,942.88 and 520,248.96

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Solution

The fourth proportional to 949,979.88, 1,310,942.88 and 520,248.96 is: 717,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,979.88 : 1,310,942.88 = 520,248.96 : x
  2. Step 2: Convert to fraction form
    949,979.88/1,310,942.88 = 520,248.96/x
  3. Step 3: Cross multiply
    949,979.88x = 1,310,942.88 × 520,248.96
  4. Step 4: Simplify right side
    949,979.88x = 682,016,669,939.41
  5. Step 5: Solve for x
    x = 682,016,669,939.41/949,979.88
  6. Step 6: Final answer
    x = 717,927.49

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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.