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Finding the Fourth Proportional to 707,746.29, 976,700.99 and 385,456.13

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Solution

The fourth proportional to 707,746.29, 976,700.99 and 385,456.13 is: 531,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,746.29 : 976,700.99 = 385,456.13 : x
  2. Step 2: Convert to fraction form
    707,746.29/976,700.99 = 385,456.13/x
  3. Step 3: Cross multiply
    707,746.29x = 976,700.99 × 385,456.13
  4. Step 4: Simplify right side
    707,746.29x = 376,475,383,515.33
  5. Step 5: Solve for x
    x = 376,475,383,515.33/707,746.29
  6. Step 6: Final answer
    x = 531,935.51

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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.