Home / 972,775.45-1,342,375.86-543,083.26

Finding the Fourth Proportional to 972,775.45, 1,342,375.86 and 543,083.26

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Solution

The fourth proportional to 972,775.45, 1,342,375.86 and 543,083.26 is: 749,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,775.45 : 1,342,375.86 = 543,083.26 : x
  2. Step 2: Convert to fraction form
    972,775.45/1,342,375.86 = 543,083.26/x
  3. Step 3: Cross multiply
    972,775.45x = 1,342,375.86 × 543,083.26
  4. Step 4: Simplify right side
    972,775.45x = 729,021,858,194.10
  5. Step 5: Solve for x
    x = 729,021,858,194.10/972,775.45
  6. Step 6: Final answer
    x = 749,424.61

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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.