Home / 855,136.12-1,180,087.95-467,951.61

Finding the Fourth Proportional to 855,136.12, 1,180,087.95 and 467,951.61

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Solution

The fourth proportional to 855,136.12, 1,180,087.95 and 467,951.61 is: 645,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,136.12 : 1,180,087.95 = 467,951.61 : x
  2. Step 2: Convert to fraction form
    855,136.12/1,180,087.95 = 467,951.61/x
  3. Step 3: Cross multiply
    855,136.12x = 1,180,087.95 × 467,951.61
  4. Step 4: Simplify right side
    855,136.12x = 552,224,056,144.10
  5. Step 5: Solve for x
    x = 552,224,056,144.10/855,136.12
  6. Step 6: Final answer
    x = 645,773.28

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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.