Home / 949,760.52-1,310,669.22-520,040.52

Finding the Fourth Proportional to 949,760.52, 1,310,669.22 and 520,040.52

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Solution

The fourth proportional to 949,760.52, 1,310,669.22 and 520,040.52 is: 717,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,760.52 : 1,310,669.22 = 520,040.52 : x
  2. Step 2: Convert to fraction form
    949,760.52/1,310,669.22 = 520,040.52/x
  3. Step 3: Cross multiply
    949,760.52x = 1,310,669.22 × 520,040.52
  4. Step 4: Simplify right side
    949,760.52x = 681,601,102,716.79
  5. Step 5: Solve for x
    x = 681,601,102,716.79/949,760.52
  6. Step 6: Final answer
    x = 717,655.75

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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.