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Finding the Fourth Proportional to 693,938, 957,634.44 and 375,986

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Solution

The fourth proportional to 693,938, 957,634.44 and 375,986 is: 518,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,938 : 957,634.44 = 375,986 : x
  2. Step 2: Convert to fraction form
    693,938/957,634.44 = 375,986/x
  3. Step 3: Cross multiply
    693,938x = 957,634.44 × 375,986
  4. Step 4: Simplify right side
    693,938x = 360,057,142,557.84
  5. Step 5: Solve for x
    x = 360,057,142,557.84/693,938
  6. Step 6: Final answer
    x = 518,860.68

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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.