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Finding the Fourth Proportional to 613,796.40, 922,662.90 and 437,524.20

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Solution

The fourth proportional to 613,796.40, 922,662.90 and 437,524.20 is: 657,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,796.40 : 922,662.90 = 437,524.20 : x
  2. Step 2: Convert to fraction form
    613,796.40/922,662.90 = 437,524.20/x
  3. Step 3: Cross multiply
    613,796.40x = 922,662.90 × 437,524.20
  4. Step 4: Simplify right side
    613,796.40x = 403,687,347,192.18
  5. Step 5: Solve for x
    x = 403,687,347,192.18/613,796.40
  6. Step 6: Final answer
    x = 657,689.34

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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.