Home / 817,418.53-1,226,113.62-367,821.28

Finding the Fourth Proportional to 817,418.53, 1,226,113.62 and 367,821.28

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Solution

The fourth proportional to 817,418.53, 1,226,113.62 and 367,821.28 is: 551,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,418.53 : 1,226,113.62 = 367,821.28 : x
  2. Step 2: Convert to fraction form
    817,418.53/1,226,113.62 = 367,821.28/x
  3. Step 3: Cross multiply
    817,418.53x = 1,226,113.62 × 367,821.28
  4. Step 4: Simplify right side
    817,418.53x = 450,990,681,133.83
  5. Step 5: Solve for x
    x = 450,990,681,133.83/817,418.53
  6. Step 6: Final answer
    x = 551,725.54

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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.