Home / 723,841.56-1,086,115.68-511,970.76

Finding the Fourth Proportional to 723,841.56, 1,086,115.68 and 511,970.76

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Solution

The fourth proportional to 723,841.56, 1,086,115.68 and 511,970.76 is: 768,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,841.56 : 1,086,115.68 = 511,970.76 : x
  2. Step 2: Convert to fraction form
    723,841.56/1,086,115.68 = 511,970.76/x
  3. Step 3: Cross multiply
    723,841.56x = 1,086,115.68 × 511,970.76
  4. Step 4: Simplify right side
    723,841.56x = 556,059,470,137.52
  5. Step 5: Solve for x
    x = 556,059,470,137.52/723,841.56
  6. Step 6: Final answer
    x = 768,206.06

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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.