Home / 688,945.32-950,797.57-383,046.90

Finding the Fourth Proportional to 688,945.32, 950,797.57 and 383,046.90

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Solution

The fourth proportional to 688,945.32, 950,797.57 and 383,046.90 is: 528,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,945.32 : 950,797.57 = 383,046.90 : x
  2. Step 2: Convert to fraction form
    688,945.32/950,797.57 = 383,046.90/x
  3. Step 3: Cross multiply
    688,945.32x = 950,797.57 × 383,046.90
  4. Step 4: Simplify right side
    688,945.32x = 364,200,059,507.94
  5. Step 5: Solve for x
    x = 364,200,059,507.94/688,945.32
  6. Step 6: Final answer
    x = 528,634.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.