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Finding the Fourth Proportional to 707,513.82, 976,956.84 and 656,228.94

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Solution

The fourth proportional to 707,513.82, 976,956.84 and 656,228.94 is: 906,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,513.82 : 976,956.84 = 656,228.94 : x
  2. Step 2: Convert to fraction form
    707,513.82/976,956.84 = 656,228.94/x
  3. Step 3: Cross multiply
    707,513.82x = 976,956.84 × 656,228.94
  4. Step 4: Simplify right side
    707,513.82x = 641,107,351,538.95
  5. Step 5: Solve for x
    x = 641,107,351,538.95/707,513.82
  6. Step 6: Final answer
    x = 906,141.10

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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.