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Finding the Fourth Proportional to 604,976.60, 907,464.90 and 511,664.60

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Solution

The fourth proportional to 604,976.60, 907,464.90 and 511,664.60 is: 767,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,976.60 : 907,464.90 = 511,664.60 : x
  2. Step 2: Convert to fraction form
    604,976.60/907,464.90 = 511,664.60/x
  3. Step 3: Cross multiply
    604,976.60x = 907,464.90 × 511,664.60
  4. Step 4: Simplify right side
    604,976.60x = 464,317,665,072.54
  5. Step 5: Solve for x
    x = 464,317,665,072.54/604,976.60
  6. Step 6: Final answer
    x = 767,496.90

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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.