Home / 540,310.77-745,625.52-298,607.31

Finding the Fourth Proportional to 540,310.77, 745,625.52 and 298,607.31

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Solution

The fourth proportional to 540,310.77, 745,625.52 and 298,607.31 is: 412,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,310.77 : 745,625.52 = 298,607.31 : x
  2. Step 2: Convert to fraction form
    540,310.77/745,625.52 = 298,607.31/x
  3. Step 3: Cross multiply
    540,310.77x = 745,625.52 × 298,607.31
  4. Step 4: Simplify right side
    540,310.77x = 222,649,230,794.55
  5. Step 5: Solve for x
    x = 222,649,230,794.55/540,310.77
  6. Step 6: Final answer
    x = 412,076.24

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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.