Home / 759,819.88-1,138,680.06-659,742.76

Finding the Fourth Proportional to 759,819.88, 1,138,680.06 and 659,742.76

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Solution

The fourth proportional to 759,819.88, 1,138,680.06 and 659,742.76 is: 988,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,819.88 : 1,138,680.06 = 659,742.76 : x
  2. Step 2: Convert to fraction form
    759,819.88/1,138,680.06 = 659,742.76/x
  3. Step 3: Cross multiply
    759,819.88x = 1,138,680.06 × 659,742.76
  4. Step 4: Simplify right side
    759,819.88x = 751,235,925,541.37
  5. Step 5: Solve for x
    x = 751,235,925,541.37/759,819.88
  6. Step 6: Final answer
    x = 988,702.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.