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Finding the Fourth Proportional to 659,908.56, 910,676.16 and 358,102.56

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Solution

The fourth proportional to 659,908.56, 910,676.16 and 358,102.56 is: 494,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,908.56 : 910,676.16 = 358,102.56 : x
  2. Step 2: Convert to fraction form
    659,908.56/910,676.16 = 358,102.56/x
  3. Step 3: Cross multiply
    659,908.56x = 910,676.16 × 358,102.56
  4. Step 4: Simplify right side
    659,908.56x = 326,115,464,226.97
  5. Step 5: Solve for x
    x = 326,115,464,226.97/659,908.56
  6. Step 6: Final answer
    x = 494,182.81

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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.