Home / 694,684.02-958,715.46-388,791.06

Finding the Fourth Proportional to 694,684.02, 958,715.46 and 388,791.06

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Solution

The fourth proportional to 694,684.02, 958,715.46 and 388,791.06 is: 536,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,684.02 : 958,715.46 = 388,791.06 : x
  2. Step 2: Convert to fraction form
    694,684.02/958,715.46 = 388,791.06/x
  3. Step 3: Cross multiply
    694,684.02x = 958,715.46 × 388,791.06
  4. Step 4: Simplify right side
    694,684.02x = 372,739,999,931.79
  5. Step 5: Solve for x
    x = 372,739,999,931.79/694,684.02
  6. Step 6: Final answer
    x = 536,560.49

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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.