Home / 949,896.15-1,310,817.30-520,168.87

Finding the Fourth Proportional to 949,896.15, 1,310,817.30 and 520,168.87

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Solution

The fourth proportional to 949,896.15, 1,310,817.30 and 520,168.87 is: 717,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,896.15 : 1,310,817.30 = 520,168.87 : x
  2. Step 2: Convert to fraction form
    949,896.15/1,310,817.30 = 520,168.87/x
  3. Step 3: Cross multiply
    949,896.15x = 1,310,817.30 × 520,168.87
  4. Step 4: Simplify right side
    949,896.15x = 681,846,353,717.45
  5. Step 5: Solve for x
    x = 681,846,353,717.45/949,896.15
  6. Step 6: Final answer
    x = 717,811.47

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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.