Home / 440,298.45-660,725.64-187,579.06

Finding the Fourth Proportional to 440,298.45, 660,725.64 and 187,579.06

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Solution

The fourth proportional to 440,298.45, 660,725.64 and 187,579.06 is: 281,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,298.45 : 660,725.64 = 187,579.06 : x
  2. Step 2: Convert to fraction form
    440,298.45/660,725.64 = 187,579.06/x
  3. Step 3: Cross multiply
    440,298.45x = 660,725.64 × 187,579.06
  4. Step 4: Simplify right side
    440,298.45x = 123,938,292,817.28
  5. Step 5: Solve for x
    x = 123,938,292,817.28/440,298.45
  6. Step 6: Final answer
    x = 281,487.01

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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.