Home / 855,134.30-1,180,085.45-467,949.80

Finding the Fourth Proportional to 855,134.30, 1,180,085.45 and 467,949.80

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Solution

The fourth proportional to 855,134.30, 1,180,085.45 and 467,949.80 is: 645,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,134.30 : 1,180,085.45 = 467,949.80 : x
  2. Step 2: Convert to fraction form
    855,134.30/1,180,085.45 = 467,949.80/x
  3. Step 3: Cross multiply
    855,134.30x = 1,180,085.45 × 467,949.80
  4. Step 4: Simplify right side
    855,134.30x = 552,220,747,970.66
  5. Step 5: Solve for x
    x = 552,220,747,970.66/855,134.30
  6. Step 6: Final answer
    x = 645,770.78

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1.5x scale

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.