Home / 888,734.40-1,333,101.60-390,098.40

Finding the Fourth Proportional to 888,734.40, 1,333,101.60 and 390,098.40

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Solution

The fourth proportional to 888,734.40, 1,333,101.60 and 390,098.40 is: 585,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,734.40 : 1,333,101.60 = 390,098.40 : x
  2. Step 2: Convert to fraction form
    888,734.40/1,333,101.60 = 390,098.40/x
  3. Step 3: Cross multiply
    888,734.40x = 1,333,101.60 × 390,098.40
  4. Step 4: Simplify right side
    888,734.40x = 520,040,801,197.44
  5. Step 5: Solve for x
    x = 520,040,801,197.44/888,734.40
  6. Step 6: Final answer
    x = 585,147.60

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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.