Home / 803,230.73-1,204,206.72-398,137.85

Finding the Fourth Proportional to 803,230.73, 1,204,206.72 and 398,137.85

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Solution

The fourth proportional to 803,230.73, 1,204,206.72 and 398,137.85 is: 596,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,230.73 : 1,204,206.72 = 398,137.85 : x
  2. Step 2: Convert to fraction form
    803,230.73/1,204,206.72 = 398,137.85/x
  3. Step 3: Cross multiply
    803,230.73x = 1,204,206.72 × 398,137.85
  4. Step 4: Simplify right side
    803,230.73x = 479,440,268,435.32
  5. Step 5: Solve for x
    x = 479,440,268,435.32/803,230.73
  6. Step 6: Final answer
    x = 596,889.85

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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.