Home / 792,107.10-1,187,285.85-437,375.70

Finding the Fourth Proportional to 792,107.10, 1,187,285.85 and 437,375.70

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Solution

The fourth proportional to 792,107.10, 1,187,285.85 and 437,375.70 is: 655,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,107.10 : 1,187,285.85 = 437,375.70 : x
  2. Step 2: Convert to fraction form
    792,107.10/1,187,285.85 = 437,375.70/x
  3. Step 3: Cross multiply
    792,107.10x = 1,187,285.85 × 437,375.70
  4. Step 4: Simplify right side
    792,107.10x = 519,289,979,743.85
  5. Step 5: Solve for x
    x = 519,289,979,743.85/792,107.10
  6. Step 6: Final answer
    x = 655,580.51

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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.