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Finding the Fourth Proportional to 606,443.80, 908,572.20 and 290,203.60

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Solution

The fourth proportional to 606,443.80, 908,572.20 and 290,203.60 is: 434,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,443.80 : 908,572.20 = 290,203.60 : x
  2. Step 2: Convert to fraction form
    606,443.80/908,572.20 = 290,203.60/x
  3. Step 3: Cross multiply
    606,443.80x = 908,572.20 × 290,203.60
  4. Step 4: Simplify right side
    606,443.80x = 263,670,923,299.92
  5. Step 5: Solve for x
    x = 263,670,923,299.92/606,443.80
  6. Step 6: Final answer
    x = 434,782.12

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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.