Home / 887,013.36-1,330,500.60-381,910.32

Finding the Fourth Proportional to 887,013.36, 1,330,500.60 and 381,910.32

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Solution

The fourth proportional to 887,013.36, 1,330,500.60 and 381,910.32 is: 572,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,013.36 : 1,330,500.60 = 381,910.32 : x
  2. Step 2: Convert to fraction form
    887,013.36/1,330,500.60 = 381,910.32/x
  3. Step 3: Cross multiply
    887,013.36x = 1,330,500.60 × 381,910.32
  4. Step 4: Simplify right side
    887,013.36x = 508,131,909,906.19
  5. Step 5: Solve for x
    x = 508,131,909,906.19/887,013.36
  6. Step 6: Final answer
    x = 572,857.11

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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.