Home / 817,618.46-1,226,334.11-218,626.33

Finding the Fourth Proportional to 817,618.46, 1,226,334.11 and 218,626.33

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Solution

The fourth proportional to 817,618.46, 1,226,334.11 and 218,626.33 is: 327,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,618.46 : 1,226,334.11 = 218,626.33 : x
  2. Step 2: Convert to fraction form
    817,618.46/1,226,334.11 = 218,626.33/x
  3. Step 3: Cross multiply
    817,618.46x = 1,226,334.11 × 218,626.33
  4. Step 4: Simplify right side
    817,618.46x = 268,108,918,598.31
  5. Step 5: Solve for x
    x = 268,108,918,598.31/817,618.46
  6. Step 6: Final answer
    x = 327,914.46

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1.5x scale

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.