Home / 827,930.34-1,240,719.39-637,671.06

Finding the Fourth Proportional to 827,930.34, 1,240,719.39 and 637,671.06

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Solution

The fourth proportional to 827,930.34, 1,240,719.39 and 637,671.06 is: 955,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,930.34 : 1,240,719.39 = 637,671.06 : x
  2. Step 2: Convert to fraction form
    827,930.34/1,240,719.39 = 637,671.06/x
  3. Step 3: Cross multiply
    827,930.34x = 1,240,719.39 × 637,671.06
  4. Step 4: Simplify right side
    827,930.34x = 791,170,848,583.85
  5. Step 5: Solve for x
    x = 791,170,848,583.85/827,930.34
  6. Step 6: Final answer
    x = 955,600.74

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