Home / 949,892.15-1,310,811.78-520,164.87

Finding the Fourth Proportional to 949,892.15, 1,310,811.78 and 520,164.87

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Solution

The fourth proportional to 949,892.15, 1,310,811.78 and 520,164.87 is: 717,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,892.15 : 1,310,811.78 = 520,164.87 : x
  2. Step 2: Convert to fraction form
    949,892.15/1,310,811.78 = 520,164.87/x
  3. Step 3: Cross multiply
    949,892.15x = 1,310,811.78 × 520,164.87
  4. Step 4: Simplify right side
    949,892.15x = 681,838,239,138.17
  5. Step 5: Solve for x
    x = 681,838,239,138.17/949,892.15
  6. Step 6: Final answer
    x = 717,805.96

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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.