Home / 440,849.03-661,260.78-262,160.19

Finding the Fourth Proportional to 440,849.03, 661,260.78 and 262,160.19

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Solution

The fourth proportional to 440,849.03, 661,260.78 and 262,160.19 is: 393,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,849.03 : 661,260.78 = 262,160.19 : x
  2. Step 2: Convert to fraction form
    440,849.03/661,260.78 = 262,160.19/x
  3. Step 3: Cross multiply
    440,849.03x = 661,260.78 × 262,160.19
  4. Step 4: Simplify right side
    440,849.03x = 173,356,251,724.35
  5. Step 5: Solve for x
    x = 173,356,251,724.35/440,849.03
  6. Step 6: Final answer
    x = 393,232.70

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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.