Home / 917,024.43-1,375,455.11-317,972.19

Finding the Fourth Proportional to 917,024.43, 1,375,455.11 and 317,972.19

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Solution

The fourth proportional to 917,024.43, 1,375,455.11 and 317,972.19 is: 476,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,024.43 : 1,375,455.11 = 317,972.19 : x
  2. Step 2: Convert to fraction form
    917,024.43/1,375,455.11 = 317,972.19/x
  3. Step 3: Cross multiply
    917,024.43x = 1,375,455.11 × 317,972.19
  4. Step 4: Simplify right side
    917,024.43x = 437,356,471,983.53
  5. Step 5: Solve for x
    x = 437,356,471,983.53/917,024.43
  6. Step 6: Final answer
    x = 476,930.01

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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.