Home / 754,570.20-1,131,822.90-255,934.20

Finding the Fourth Proportional to 754,570.20, 1,131,822.90 and 255,934.20

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Solution

The fourth proportional to 754,570.20, 1,131,822.90 and 255,934.20 is: 383,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,570.20 : 1,131,822.90 = 255,934.20 : x
  2. Step 2: Convert to fraction form
    754,570.20/1,131,822.90 = 255,934.20/x
  3. Step 3: Cross multiply
    754,570.20x = 1,131,822.90 × 255,934.20
  4. Step 4: Simplify right side
    754,570.20x = 289,672,188,453.18
  5. Step 5: Solve for x
    x = 289,672,188,453.18/754,570.20
  6. Step 6: Final answer
    x = 383,890.31

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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.