Home / 690,979.44-1,037,022.12-358,650.48

Finding the Fourth Proportional to 690,979.44, 1,037,022.12 and 358,650.48

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Solution

The fourth proportional to 690,979.44, 1,037,022.12 and 358,650.48 is: 538,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,979.44 : 1,037,022.12 = 358,650.48 : x
  2. Step 2: Convert to fraction form
    690,979.44/1,037,022.12 = 358,650.48/x
  3. Step 3: Cross multiply
    690,979.44x = 1,037,022.12 × 358,650.48
  4. Step 4: Simplify right side
    690,979.44x = 371,928,481,108.62
  5. Step 5: Solve for x
    x = 371,928,481,108.62/690,979.44
  6. Step 6: Final answer
    x = 538,262.73

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1.5x scale

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.