Home / 708,340.37-977,481.25-386,043.55

Finding the Fourth Proportional to 708,340.37, 977,481.25 and 386,043.55

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Solution

The fourth proportional to 708,340.37, 977,481.25 and 386,043.55 is: 532,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,340.37 : 977,481.25 = 386,043.55 : x
  2. Step 2: Convert to fraction form
    708,340.37/977,481.25 = 386,043.55/x
  3. Step 3: Cross multiply
    708,340.37x = 977,481.25 × 386,043.55
  4. Step 4: Simplify right side
    708,340.37x = 377,350,328,399.63
  5. Step 5: Solve for x
    x = 377,350,328,399.63/708,340.37
  6. Step 6: Final answer
    x = 532,724.59

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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.