Home / 851,148.80-1,174,538.24-469,175.04

Finding the Fourth Proportional to 851,148.80, 1,174,538.24 and 469,175.04

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Solution

The fourth proportional to 851,148.80, 1,174,538.24 and 469,175.04 is: 647,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,148.80 : 1,174,538.24 = 469,175.04 : x
  2. Step 2: Convert to fraction form
    851,148.80/1,174,538.24 = 469,175.04/x
  3. Step 3: Cross multiply
    851,148.80x = 1,174,538.24 × 469,175.04
  4. Step 4: Simplify right side
    851,148.80x = 551,064,025,733.53
  5. Step 5: Solve for x
    x = 551,064,025,733.53/851,148.80
  6. Step 6: Final answer
    x = 647,435.59

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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.