Home / 694,810.58-958,620.07-388,838.34

Finding the Fourth Proportional to 694,810.58, 958,620.07 and 388,838.34

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Solution

The fourth proportional to 694,810.58, 958,620.07 and 388,838.34 is: 536,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,810.58 : 958,620.07 = 388,838.34 : x
  2. Step 2: Convert to fraction form
    694,810.58/958,620.07 = 388,838.34/x
  3. Step 3: Cross multiply
    694,810.58x = 958,620.07 × 388,838.34
  4. Step 4: Simplify right side
    694,810.58x = 372,748,235,008.32
  5. Step 5: Solve for x
    x = 372,748,235,008.32/694,810.58
  6. Step 6: Final answer
    x = 536,474.61

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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.