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Finding the Fourth Proportional to 507,570.05, 700,446.66 and 303,629.56

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Solution

The fourth proportional to 507,570.05, 700,446.66 and 303,629.56 is: 419,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,570.05 : 700,446.66 = 303,629.56 : x
  2. Step 2: Convert to fraction form
    507,570.05/700,446.66 = 303,629.56/x
  3. Step 3: Cross multiply
    507,570.05x = 700,446.66 × 303,629.56
  4. Step 4: Simplify right side
    507,570.05x = 212,676,314,791.43
  5. Step 5: Solve for x
    x = 212,676,314,791.43/507,570.05
  6. Step 6: Final answer
    x = 419,008.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.