Home / 893,464.80-1,340,197.20-641,522.40

Finding the Fourth Proportional to 893,464.80, 1,340,197.20 and 641,522.40

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Solution

The fourth proportional to 893,464.80, 1,340,197.20 and 641,522.40 is: 962,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,464.80 : 1,340,197.20 = 641,522.40 : x
  2. Step 2: Convert to fraction form
    893,464.80/1,340,197.20 = 641,522.40/x
  3. Step 3: Cross multiply
    893,464.80x = 1,340,197.20 × 641,522.40
  4. Step 4: Simplify right side
    893,464.80x = 859,766,524,217.28
  5. Step 5: Solve for x
    x = 859,766,524,217.28/893,464.80
  6. Step 6: Final answer
    x = 962,283.60

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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.