Home / 686,331.78-1,029,635.37-237,069.06

Finding the Fourth Proportional to 686,331.78, 1,029,635.37 and 237,069.06

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Solution

The fourth proportional to 686,331.78, 1,029,635.37 and 237,069.06 is: 355,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,331.78 : 1,029,635.37 = 237,069.06 : x
  2. Step 2: Convert to fraction form
    686,331.78/1,029,635.37 = 237,069.06/x
  3. Step 3: Cross multiply
    686,331.78x = 1,029,635.37 × 237,069.06
  4. Step 4: Simplify right side
    686,331.78x = 244,094,689,308.65
  5. Step 5: Solve for x
    x = 244,094,689,308.65/686,331.78
  6. Step 6: Final answer
    x = 355,651.15

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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.