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Finding the Fourth Proportional to 606,485.70, 908,999.55 and 251,316.90

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Solution

The fourth proportional to 606,485.70, 908,999.55 and 251,316.90 is: 376,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,485.70 : 908,999.55 = 251,316.90 : x
  2. Step 2: Convert to fraction form
    606,485.70/908,999.55 = 251,316.90/x
  3. Step 3: Cross multiply
    606,485.70x = 908,999.55 × 251,316.90
  4. Step 4: Simplify right side
    606,485.70x = 228,446,949,007.40
  5. Step 5: Solve for x
    x = 228,446,949,007.40/606,485.70
  6. Step 6: Final answer
    x = 376,673.27

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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.