Home / 887,087.33-1,330,630.85-213,168.63

Finding the Fourth Proportional to 887,087.33, 1,330,630.85 and 213,168.63

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Solution

The fourth proportional to 887,087.33, 1,330,630.85 and 213,168.63 is: 319,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,087.33 : 1,330,630.85 = 213,168.63 : x
  2. Step 2: Convert to fraction form
    887,087.33/1,330,630.85 = 213,168.63/x
  3. Step 3: Cross multiply
    887,087.33x = 1,330,630.85 × 213,168.63
  4. Step 4: Simplify right side
    887,087.33x = 283,648,754,264.39
  5. Step 5: Solve for x
    x = 283,648,754,264.39/887,087.33
  6. Step 6: Final answer
    x = 319,752.91

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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.