Home / 790,578.50-1,185,863.63-191,539.76

Finding the Fourth Proportional to 790,578.50, 1,185,863.63 and 191,539.76

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Solution

The fourth proportional to 790,578.50, 1,185,863.63 and 191,539.76 is: 287,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,578.50 : 1,185,863.63 = 191,539.76 : x
  2. Step 2: Convert to fraction form
    790,578.50/1,185,863.63 = 191,539.76/x
  3. Step 3: Cross multiply
    790,578.50x = 1,185,863.63 × 191,539.76
  4. Step 4: Simplify right side
    790,578.50x = 227,140,028,195.91
  5. Step 5: Solve for x
    x = 227,140,028,195.91/790,578.50
  6. Step 6: Final answer
    x = 287,308.63

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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.