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Finding the Fourth Proportional to 440,426.86, 607,760.29 and 259,103.76

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Solution

The fourth proportional to 440,426.86, 607,760.29 and 259,103.76 is: 357,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,426.86 : 607,760.29 = 259,103.76 : x
  2. Step 2: Convert to fraction form
    440,426.86/607,760.29 = 259,103.76/x
  3. Step 3: Cross multiply
    440,426.86x = 607,760.29 × 259,103.76
  4. Step 4: Simplify right side
    440,426.86x = 157,472,975,807.55
  5. Step 5: Solve for x
    x = 157,472,975,807.55/440,426.86
  6. Step 6: Final answer
    x = 357,546.26

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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.