Home / 667,428.04-1,001,064.30-268,052.68

Finding the Fourth Proportional to 667,428.04, 1,001,064.30 and 268,052.68

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Solution

The fourth proportional to 667,428.04, 1,001,064.30 and 268,052.68 is: 402,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,428.04 : 1,001,064.30 = 268,052.68 : x
  2. Step 2: Convert to fraction form
    667,428.04/1,001,064.30 = 268,052.68/x
  3. Step 3: Cross multiply
    667,428.04x = 1,001,064.30 × 268,052.68
  4. Step 4: Simplify right side
    667,428.04x = 268,337,968,467.32
  5. Step 5: Solve for x
    x = 268,337,968,467.32/667,428.04
  6. Step 6: Final answer
    x = 402,047.79

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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.