Home / 715,965.56-1,072,497.77-331,167.50

Finding the Fourth Proportional to 715,965.56, 1,072,497.77 and 331,167.50

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Solution

The fourth proportional to 715,965.56, 1,072,497.77 and 331,167.50 is: 496,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,965.56 : 1,072,497.77 = 331,167.50 : x
  2. Step 2: Convert to fraction form
    715,965.56/1,072,497.77 = 331,167.50/x
  3. Step 3: Cross multiply
    715,965.56x = 1,072,497.77 × 331,167.50
  4. Step 4: Simplify right side
    715,965.56x = 355,176,403,590.64
  5. Step 5: Solve for x
    x = 355,176,403,590.64/715,965.56
  6. Step 6: Final answer
    x = 496,080.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.