Home / 851,544.38-1,175,159.62-464,380.98

Finding the Fourth Proportional to 851,544.38, 1,175,159.62 and 464,380.98

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Solution

The fourth proportional to 851,544.38, 1,175,159.62 and 464,380.98 is: 640,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,544.38 : 1,175,159.62 = 464,380.98 : x
  2. Step 2: Convert to fraction form
    851,544.38/1,175,159.62 = 464,380.98/x
  3. Step 3: Cross multiply
    851,544.38x = 1,175,159.62 × 464,380.98
  4. Step 4: Simplify right side
    851,544.38x = 545,721,775,992.03
  5. Step 5: Solve for x
    x = 545,721,775,992.03/851,544.38
  6. Step 6: Final answer
    x = 640,861.23

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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.