Home / 689,748.70-1,034,007.45-268,926.70

Finding the Fourth Proportional to 689,748.70, 1,034,007.45 and 268,926.70

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Solution

The fourth proportional to 689,748.70, 1,034,007.45 and 268,926.70 is: 403,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,748.70 : 1,034,007.45 = 268,926.70 : x
  2. Step 2: Convert to fraction form
    689,748.70/1,034,007.45 = 268,926.70/x
  3. Step 3: Cross multiply
    689,748.70x = 1,034,007.45 × 268,926.70
  4. Step 4: Simplify right side
    689,748.70x = 278,072,211,303.92
  5. Step 5: Solve for x
    x = 278,072,211,303.92/689,748.70
  6. Step 6: Final answer
    x = 403,150.03

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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.