Home / 520,822.20-718,731.18-294,468.60

Finding the Fourth Proportional to 520,822.20, 718,731.18 and 294,468.60

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Solution

The fourth proportional to 520,822.20, 718,731.18 and 294,468.60 is: 406,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,822.20 : 718,731.18 = 294,468.60 : x
  2. Step 2: Convert to fraction form
    520,822.20/718,731.18 = 294,468.60/x
  3. Step 3: Cross multiply
    520,822.20x = 718,731.18 × 294,468.60
  4. Step 4: Simplify right side
    520,822.20x = 211,643,764,350.95
  5. Step 5: Solve for x
    x = 211,643,764,350.95/520,822.20
  6. Step 6: Final answer
    x = 406,364.71

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1.5x scale

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.