Home / 817,425.54-1,226,124.12-367,828.28

Finding the Fourth Proportional to 817,425.54, 1,226,124.12 and 367,828.28

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Solution

The fourth proportional to 817,425.54, 1,226,124.12 and 367,828.28 is: 551,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,425.54 : 1,226,124.12 = 367,828.28 : x
  2. Step 2: Convert to fraction form
    817,425.54/1,226,124.12 = 367,828.28/x
  3. Step 3: Cross multiply
    817,425.54x = 1,226,124.12 × 367,828.28
  4. Step 4: Simplify right side
    817,425.54x = 451,003,126,126.11
  5. Step 5: Solve for x
    x = 451,003,126,126.11/817,425.54
  6. Step 6: Final answer
    x = 551,736.03

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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.