Home / 448,489.04-671,972.28-270,622.30

Finding the Fourth Proportional to 448,489.04, 671,972.28 and 270,622.30

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Solution

The fourth proportional to 448,489.04, 671,972.28 and 270,622.30 is: 405,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,489.04 : 671,972.28 = 270,622.30 : x
  2. Step 2: Convert to fraction form
    448,489.04/671,972.28 = 270,622.30/x
  3. Step 3: Cross multiply
    448,489.04x = 671,972.28 × 270,622.30
  4. Step 4: Simplify right side
    448,489.04x = 181,850,683,949.84
  5. Step 5: Solve for x
    x = 181,850,683,949.84/448,489.04
  6. Step 6: Final answer
    x = 405,474.09

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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.