Home / 988,185.60-1,481,932.80-514,713.60

Finding the Fourth Proportional to 988,185.60, 1,481,932.80 and 514,713.60

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Solution

The fourth proportional to 988,185.60, 1,481,932.80 and 514,713.60 is: 771,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,185.60 : 1,481,932.80 = 514,713.60 : x
  2. Step 2: Convert to fraction form
    988,185.60/1,481,932.80 = 514,713.60/x
  3. Step 3: Cross multiply
    988,185.60x = 1,481,932.80 × 514,713.60
  4. Step 4: Simplify right side
    988,185.60x = 762,770,966,446.08
  5. Step 5: Solve for x
    x = 762,770,966,446.08/988,185.60
  6. Step 6: Final answer
    x = 771,890.39

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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.