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Finding the Fourth Proportional to 573,375.20, 858,880.20 and 335,998.40

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Solution

The fourth proportional to 573,375.20, 858,880.20 and 335,998.40 is: 503,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,375.20 : 858,880.20 = 335,998.40 : x
  2. Step 2: Convert to fraction form
    573,375.20/858,880.20 = 335,998.40/x
  3. Step 3: Cross multiply
    573,375.20x = 858,880.20 × 335,998.40
  4. Step 4: Simplify right side
    573,375.20x = 288,582,372,991.68
  5. Step 5: Solve for x
    x = 288,582,372,991.68/573,375.20
  6. Step 6: Final answer
    x = 503,304.60

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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.