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Finding the Fourth Proportional to 577,912.75, 797,519.60 and 376,708.75

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Solution

The fourth proportional to 577,912.75, 797,519.60 and 376,708.75 is: 519,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,912.75 : 797,519.60 = 376,708.75 : x
  2. Step 2: Convert to fraction form
    577,912.75/797,519.60 = 376,708.75/x
  3. Step 3: Cross multiply
    577,912.75x = 797,519.60 × 376,708.75
  4. Step 4: Simplify right side
    577,912.75x = 300,432,611,616.50
  5. Step 5: Solve for x
    x = 300,432,611,616.50/577,912.75
  6. Step 6: Final answer
    x = 519,858.08

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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.