Home / 655,267.05-903,921.70-450,963.27

Finding the Fourth Proportional to 655,267.05, 903,921.70 and 450,963.27

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Solution

The fourth proportional to 655,267.05, 903,921.70 and 450,963.27 is: 622,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,267.05 : 903,921.70 = 450,963.27 : x
  2. Step 2: Convert to fraction form
    655,267.05/903,921.70 = 450,963.27/x
  3. Step 3: Cross multiply
    655,267.05x = 903,921.70 × 450,963.27
  4. Step 4: Simplify right side
    655,267.05x = 407,635,484,528.55
  5. Step 5: Solve for x
    x = 407,635,484,528.55/655,267.05
  6. Step 6: Final answer
    x = 622,090.62

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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.