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Finding the Fourth Proportional to 585,867.96, 808,490.48 and 344,172.56

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Solution

The fourth proportional to 585,867.96, 808,490.48 and 344,172.56 is: 474,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,867.96 : 808,490.48 = 344,172.56 : x
  2. Step 2: Convert to fraction form
    585,867.96/808,490.48 = 344,172.56/x
  3. Step 3: Cross multiply
    585,867.96x = 808,490.48 × 344,172.56
  4. Step 4: Simplify right side
    585,867.96x = 278,260,232,473.91
  5. Step 5: Solve for x
    x = 278,260,232,473.91/585,867.96
  6. Step 6: Final answer
    x = 474,953.83

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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.