Home / 851,136.86-1,174,568.58-469,170.02

Finding the Fourth Proportional to 851,136.86, 1,174,568.58 and 469,170.02

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Solution

The fourth proportional to 851,136.86, 1,174,568.58 and 469,170.02 is: 647,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,136.86 : 1,174,568.58 = 469,170.02 : x
  2. Step 2: Convert to fraction form
    851,136.86/1,174,568.58 = 469,170.02/x
  3. Step 3: Cross multiply
    851,136.86x = 1,174,568.58 × 469,170.02
  4. Step 4: Simplify right side
    851,136.86x = 551,072,364,169.97
  5. Step 5: Solve for x
    x = 551,072,364,169.97/851,136.86
  6. Step 6: Final answer
    x = 647,454.47

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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.