Home / 887,670.20-1,331,578.58-288,617.72

Finding the Fourth Proportional to 887,670.20, 1,331,578.58 and 288,617.72

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Solution

The fourth proportional to 887,670.20, 1,331,578.58 and 288,617.72 is: 432,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,670.20 : 1,331,578.58 = 288,617.72 : x
  2. Step 2: Convert to fraction form
    887,670.20/1,331,578.58 = 288,617.72/x
  3. Step 3: Cross multiply
    887,670.20x = 1,331,578.58 × 288,617.72
  4. Step 4: Simplify right side
    887,670.20x = 384,317,173,760.44
  5. Step 5: Solve for x
    x = 384,317,173,760.44/887,670.20
  6. Step 6: Final answer
    x = 432,950.41

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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.