Home / 547,867.20-821,783.52-324,756.48

Finding the Fourth Proportional to 547,867.20, 821,783.52 and 324,756.48

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Solution

The fourth proportional to 547,867.20, 821,783.52 and 324,756.48 is: 487,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,867.20 : 821,783.52 = 324,756.48 : x
  2. Step 2: Convert to fraction form
    547,867.20/821,783.52 = 324,756.48/x
  3. Step 3: Cross multiply
    547,867.20x = 821,783.52 × 324,756.48
  4. Step 4: Simplify right side
    547,867.20x = 266,879,523,277.21
  5. Step 5: Solve for x
    x = 266,879,523,277.21/547,867.20
  6. Step 6: Final answer
    x = 487,124.48

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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.