Home / 806,961.60-1,210,601.88-238,352.58

Finding the Fourth Proportional to 806,961.60, 1,210,601.88 and 238,352.58

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Solution

The fourth proportional to 806,961.60, 1,210,601.88 and 238,352.58 is: 357,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,961.60 : 1,210,601.88 = 238,352.58 : x
  2. Step 2: Convert to fraction form
    806,961.60/1,210,601.88 = 238,352.58/x
  3. Step 3: Cross multiply
    806,961.60x = 1,210,601.88 × 238,352.58
  4. Step 4: Simplify right side
    806,961.60x = 288,550,081,450.85
  5. Step 5: Solve for x
    x = 288,550,081,450.85/806,961.60
  6. Step 6: Final answer
    x = 357,575.98

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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.