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Finding the Fourth Proportional to 440,399.34, 607,722.30 and 259,076.21

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Solution

The fourth proportional to 440,399.34, 607,722.30 and 259,076.21 is: 357,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,399.34 : 607,722.30 = 259,076.21 : x
  2. Step 2: Convert to fraction form
    440,399.34/607,722.30 = 259,076.21/x
  3. Step 3: Cross multiply
    440,399.34x = 607,722.30 × 259,076.21
  4. Step 4: Simplify right side
    440,399.34x = 157,446,387,177.87
  5. Step 5: Solve for x
    x = 157,446,387,177.87/440,399.34
  6. Step 6: Final answer
    x = 357,508.23

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1.5x scale

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.