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Finding the Fourth Proportional to 440,264.66, 608,788.22 and 349,462.97

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Solution

The fourth proportional to 440,264.66, 608,788.22 and 349,462.97 is: 483,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,264.66 : 608,788.22 = 349,462.97 : x
  2. Step 2: Convert to fraction form
    440,264.66/608,788.22 = 349,462.97/x
  3. Step 3: Cross multiply
    440,264.66x = 608,788.22 × 349,462.97
  4. Step 4: Simplify right side
    440,264.66x = 212,748,934,670.96
  5. Step 5: Solve for x
    x = 212,748,934,670.96/440,264.66
  6. Step 6: Final answer
    x = 483,229.65

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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.