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Finding the Fourth Proportional to 605,598.90, 907,414.20 and 505,215.60

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Solution

The fourth proportional to 605,598.90, 907,414.20 and 505,215.60 is: 757,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,598.90 : 907,414.20 = 505,215.60 : x
  2. Step 2: Convert to fraction form
    605,598.90/907,414.20 = 505,215.60/x
  3. Step 3: Cross multiply
    605,598.90x = 907,414.20 × 505,215.60
  4. Step 4: Simplify right side
    605,598.90x = 458,439,809,501.52
  5. Step 5: Solve for x
    x = 458,439,809,501.52/605,598.90
  6. Step 6: Final answer
    x = 757,002.38

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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.