Home / 996,936.80-1,495,405.20-518,639.90

Finding the Fourth Proportional to 996,936.80, 1,495,405.20 and 518,639.90

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Solution

The fourth proportional to 996,936.80, 1,495,405.20 and 518,639.90 is: 777,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,936.80 : 1,495,405.20 = 518,639.90 : x
  2. Step 2: Convert to fraction form
    996,936.80/1,495,405.20 = 518,639.90/x
  3. Step 3: Cross multiply
    996,936.80x = 1,495,405.20 × 518,639.90
  4. Step 4: Simplify right side
    996,936.80x = 775,576,803,387.48
  5. Step 5: Solve for x
    x = 775,576,803,387.48/996,936.80
  6. Step 6: Final answer
    x = 777,959.85

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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.