Home / 890,774.80-1,336,032.60-259,622.80

Finding the Fourth Proportional to 890,774.80, 1,336,032.60 and 259,622.80

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Solution

The fourth proportional to 890,774.80, 1,336,032.60 and 259,622.80 is: 389,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,774.80 : 1,336,032.60 = 259,622.80 : x
  2. Step 2: Convert to fraction form
    890,774.80/1,336,032.60 = 259,622.80/x
  3. Step 3: Cross multiply
    890,774.80x = 1,336,032.60 × 259,622.80
  4. Step 4: Simplify right side
    890,774.80x = 346,864,524,503.28
  5. Step 5: Solve for x
    x = 346,864,524,503.28/890,774.80
  6. Step 6: Final answer
    x = 389,396.43

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1.5x scale

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.