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Finding the Fourth Proportional to 574,378.77, 862,100.15 and 290,269.24

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Solution

The fourth proportional to 574,378.77, 862,100.15 and 290,269.24 is: 435,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,378.77 : 862,100.15 = 290,269.24 : x
  2. Step 2: Convert to fraction form
    574,378.77/862,100.15 = 290,269.24/x
  3. Step 3: Cross multiply
    574,378.77x = 862,100.15 × 290,269.24
  4. Step 4: Simplify right side
    574,378.77x = 250,241,157,147.68
  5. Step 5: Solve for x
    x = 250,241,157,147.68/574,378.77
  6. Step 6: Final answer
    x = 435,672.72

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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.