Home / 521,425.20-782,152.38-184,418.22

Finding the Fourth Proportional to 521,425.20, 782,152.38 and 184,418.22

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Solution

The fourth proportional to 521,425.20, 782,152.38 and 184,418.22 is: 276,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,425.20 : 782,152.38 = 184,418.22 : x
  2. Step 2: Convert to fraction form
    521,425.20/782,152.38 = 184,418.22/x
  3. Step 3: Cross multiply
    521,425.20x = 782,152.38 × 184,418.22
  4. Step 4: Simplify right side
    521,425.20x = 144,243,149,688.36
  5. Step 5: Solve for x
    x = 144,243,149,688.36/521,425.20
  6. Step 6: Final answer
    x = 276,632.49

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1.5x scale

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.