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Finding the Fourth Proportional to 579,551.80, 869,759.70 and 298,924.60

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Solution

The fourth proportional to 579,551.80, 869,759.70 and 298,924.60 is: 448,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,551.80 : 869,759.70 = 298,924.60 : x
  2. Step 2: Convert to fraction form
    579,551.80/869,759.70 = 298,924.60/x
  3. Step 3: Cross multiply
    579,551.80x = 869,759.70 × 298,924.60
  4. Step 4: Simplify right side
    579,551.80x = 259,992,570,418.62
  5. Step 5: Solve for x
    x = 259,992,570,418.62/579,551.80
  6. Step 6: Final answer
    x = 448,609.72

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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.