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Finding the Fourth Proportional to 606,475.80, 908,620.20 and 290,235.60

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Solution

The fourth proportional to 606,475.80, 908,620.20 and 290,235.60 is: 434,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,475.80 : 908,620.20 = 290,235.60 : x
  2. Step 2: Convert to fraction form
    606,475.80/908,620.20 = 290,235.60/x
  3. Step 3: Cross multiply
    606,475.80x = 908,620.20 × 290,235.60
  4. Step 4: Simplify right side
    606,475.80x = 263,713,928,919.12
  5. Step 5: Solve for x
    x = 263,713,928,919.12/606,475.80
  6. Step 6: Final answer
    x = 434,830.09

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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.