Home / 482,719.46-666,282.11-301,322.18

Finding the Fourth Proportional to 482,719.46, 666,282.11 and 301,322.18

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Solution

The fourth proportional to 482,719.46, 666,282.11 and 301,322.18 is: 415,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,719.46 : 666,282.11 = 301,322.18 : x
  2. Step 2: Convert to fraction form
    482,719.46/666,282.11 = 301,322.18/x
  3. Step 3: Cross multiply
    482,719.46x = 666,282.11 × 301,322.18
  4. Step 4: Simplify right side
    482,719.46x = 200,765,578,039.29
  5. Step 5: Solve for x
    x = 200,765,578,039.29/482,719.46
  6. Step 6: Final answer
    x = 415,905.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.