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Finding the Fourth Proportional to 507,376.82, 699,697.01 and 303,395.33

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Solution

The fourth proportional to 507,376.82, 699,697.01 and 303,395.33 is: 418,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,376.82 : 699,697.01 = 303,395.33 : x
  2. Step 2: Convert to fraction form
    507,376.82/699,697.01 = 303,395.33/x
  3. Step 3: Cross multiply
    507,376.82x = 699,697.01 × 303,395.33
  4. Step 4: Simplify right side
    507,376.82x = 212,284,805,248.96
  5. Step 5: Solve for x
    x = 212,284,805,248.96/507,376.82
  6. Step 6: Final answer
    x = 418,396.74

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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.