Home / 949,736.62-1,310,631.75-520,008.94

Finding the Fourth Proportional to 949,736.62, 1,310,631.75 and 520,008.94

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Solution

The fourth proportional to 949,736.62, 1,310,631.75 and 520,008.94 is: 717,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,736.62 : 1,310,631.75 = 520,008.94 : x
  2. Step 2: Convert to fraction form
    949,736.62/1,310,631.75 = 520,008.94/x
  3. Step 3: Cross multiply
    949,736.62x = 1,310,631.75 × 520,008.94
  4. Step 4: Simplify right side
    949,736.62x = 681,540,227,047.85
  5. Step 5: Solve for x
    x = 681,540,227,047.85/949,736.62
  6. Step 6: Final answer
    x = 717,609.72

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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.