Home / 695,029.55-959,087.79-389,035.85

Finding the Fourth Proportional to 695,029.55, 959,087.79 and 389,035.85

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Solution

The fourth proportional to 695,029.55, 959,087.79 and 389,035.85 is: 536,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,029.55 : 959,087.79 = 389,035.85 : x
  2. Step 2: Convert to fraction form
    695,029.55/959,087.79 = 389,035.85/x
  3. Step 3: Cross multiply
    695,029.55x = 959,087.79 × 389,035.85
  4. Step 4: Simplify right side
    695,029.55x = 373,119,528,811.83
  5. Step 5: Solve for x
    x = 373,119,528,811.83/695,029.55
  6. Step 6: Final answer
    x = 536,839.81

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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.