Home / 719,025.76-992,276.32-396,756.61

Finding the Fourth Proportional to 719,025.76, 992,276.32 and 396,756.61

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Solution

The fourth proportional to 719,025.76, 992,276.32 and 396,756.61 is: 547,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,025.76 : 992,276.32 = 396,756.61 : x
  2. Step 2: Convert to fraction form
    719,025.76/992,276.32 = 396,756.61/x
  3. Step 3: Cross multiply
    719,025.76x = 992,276.32 × 396,756.61
  4. Step 4: Simplify right side
    719,025.76x = 393,692,188,906.48
  5. Step 5: Solve for x
    x = 393,692,188,906.48/719,025.76
  6. Step 6: Final answer
    x = 547,535.58

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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.