Home / 659,271.71-988,945.84-254,466.21

Finding the Fourth Proportional to 659,271.71, 988,945.84 and 254,466.21

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Solution

The fourth proportional to 659,271.71, 988,945.84 and 254,466.21 is: 381,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,271.71 : 988,945.84 = 254,466.21 : x
  2. Step 2: Convert to fraction form
    659,271.71/988,945.84 = 254,466.21/x
  3. Step 3: Cross multiply
    659,271.71x = 988,945.84 × 254,466.21
  4. Step 4: Simplify right side
    659,271.71x = 251,653,299,163.90
  5. Step 5: Solve for x
    x = 251,653,299,163.90/659,271.71
  6. Step 6: Final answer
    x = 381,714.09

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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.