Home / 686,694.92-1,029,710.07-237,258.21

Finding the Fourth Proportional to 686,694.92, 1,029,710.07 and 237,258.21

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Solution

The fourth proportional to 686,694.92, 1,029,710.07 and 237,258.21 is: 355,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,694.92 : 1,029,710.07 = 237,258.21 : x
  2. Step 2: Convert to fraction form
    686,694.92/1,029,710.07 = 237,258.21/x
  3. Step 3: Cross multiply
    686,694.92x = 1,029,710.07 × 237,258.21
  4. Step 4: Simplify right side
    686,694.92x = 244,307,171,888.59
  5. Step 5: Solve for x
    x = 244,307,171,888.59/686,694.92
  6. Step 6: Final answer
    x = 355,772.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.