Home / 872,025.55-1,203,409.26-479,574.02

Finding the Fourth Proportional to 872,025.55, 1,203,409.26 and 479,574.02

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Solution

The fourth proportional to 872,025.55, 1,203,409.26 and 479,574.02 is: 661,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,025.55 : 1,203,409.26 = 479,574.02 : x
  2. Step 2: Convert to fraction form
    872,025.55/1,203,409.26 = 479,574.02/x
  3. Step 3: Cross multiply
    872,025.55x = 1,203,409.26 × 479,574.02
  4. Step 4: Simplify right side
    872,025.55x = 577,123,816,523.43
  5. Step 5: Solve for x
    x = 577,123,816,523.43/872,025.55
  6. Step 6: Final answer
    x = 661,819.85

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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.