Home / 686,499.54-1,029,703.12-237,226.56

Finding the Fourth Proportional to 686,499.54, 1,029,703.12 and 237,226.56

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Solution

The fourth proportional to 686,499.54, 1,029,703.12 and 237,226.56 is: 355,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,499.54 : 1,029,703.12 = 237,226.56 : x
  2. Step 2: Convert to fraction form
    686,499.54/1,029,703.12 = 237,226.56/x
  3. Step 3: Cross multiply
    686,499.54x = 1,029,703.12 × 237,226.56
  4. Step 4: Simplify right side
    686,499.54x = 244,272,928,978.87
  5. Step 5: Solve for x
    x = 244,272,928,978.87/686,499.54
  6. Step 6: Final answer
    x = 355,823.88

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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.