Home / 983,095.38-1,474,652.79-309,161.61

Finding the Fourth Proportional to 983,095.38, 1,474,652.79 and 309,161.61

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Solution

The fourth proportional to 983,095.38, 1,474,652.79 and 309,161.61 is: 463,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,095.38 : 1,474,652.79 = 309,161.61 : x
  2. Step 2: Convert to fraction form
    983,095.38/1,474,652.79 = 309,161.61/x
  3. Step 3: Cross multiply
    983,095.38x = 1,474,652.79 × 309,161.61
  4. Step 4: Simplify right side
    983,095.38x = 455,906,030,747.39
  5. Step 5: Solve for x
    x = 455,906,030,747.39/983,095.38
  6. Step 6: Final answer
    x = 463,745.47

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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.