Home / 887,874.05-1,331,823.38-288,838.32

Finding the Fourth Proportional to 887,874.05, 1,331,823.38 and 288,838.32

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Solution

The fourth proportional to 887,874.05, 1,331,823.38 and 288,838.32 is: 433,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,874.05 : 1,331,823.38 = 288,838.32 : x
  2. Step 2: Convert to fraction form
    887,874.05/1,331,823.38 = 288,838.32/x
  3. Step 3: Cross multiply
    887,874.05x = 1,331,823.38 × 288,838.32
  4. Step 4: Simplify right side
    887,874.05x = 384,681,626,171.73
  5. Step 5: Solve for x
    x = 384,681,626,171.73/887,874.05
  6. Step 6: Final answer
    x = 433,261.48

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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.