Home / 683,983.02-1,025,972.46-480,742.38

Finding the Fourth Proportional to 683,983.02, 1,025,972.46 and 480,742.38

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Solution

The fourth proportional to 683,983.02, 1,025,972.46 and 480,742.38 is: 721,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,983.02 : 1,025,972.46 = 480,742.38 : x
  2. Step 2: Convert to fraction form
    683,983.02/1,025,972.46 = 480,742.38/x
  3. Step 3: Cross multiply
    683,983.02x = 1,025,972.46 × 480,742.38
  4. Step 4: Simplify right side
    683,983.02x = 493,228,442,234.86
  5. Step 5: Solve for x
    x = 493,228,442,234.86/683,983.02
  6. Step 6: Final answer
    x = 721,112.12

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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.