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Finding the Fourth Proportional to 507,101.51, 699,594.98 and 303,035.96

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Solution

The fourth proportional to 507,101.51, 699,594.98 and 303,035.96 is: 418,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,101.51 : 699,594.98 = 303,035.96 : x
  2. Step 2: Convert to fraction form
    507,101.51/699,594.98 = 303,035.96/x
  3. Step 3: Cross multiply
    507,101.51x = 699,594.98 × 303,035.96
  4. Step 4: Simplify right side
    507,101.51x = 212,002,431,362.33
  5. Step 5: Solve for x
    x = 212,002,431,362.33/507,101.51
  6. Step 6: Final answer
    x = 418,067.05

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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.