Home / 887,380.69-1,330,538.25-407,006.75

Finding the Fourth Proportional to 887,380.69, 1,330,538.25 and 407,006.75

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Solution

The fourth proportional to 887,380.69, 1,330,538.25 and 407,006.75 is: 610,265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,380.69 : 1,330,538.25 = 407,006.75 : x
  2. Step 2: Convert to fraction form
    887,380.69/1,330,538.25 = 407,006.75/x
  3. Step 3: Cross multiply
    887,380.69x = 1,330,538.25 × 407,006.75
  4. Step 4: Simplify right side
    887,380.69x = 541,538,043,756.77
  5. Step 5: Solve for x
    x = 541,538,043,756.77/887,380.69
  6. Step 6: Final answer
    x = 610,265.75

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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.