Home / 694,318.08-958,113.77-388,341.44

Finding the Fourth Proportional to 694,318.08, 958,113.77 and 388,341.44

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Solution

The fourth proportional to 694,318.08, 958,113.77 and 388,341.44 is: 535,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,318.08 : 958,113.77 = 388,341.44 : x
  2. Step 2: Convert to fraction form
    694,318.08/958,113.77 = 388,341.44/x
  3. Step 3: Cross multiply
    694,318.08x = 958,113.77 × 388,341.44
  4. Step 4: Simplify right side
    694,318.08x = 372,075,277,986.28
  5. Step 5: Solve for x
    x = 372,075,277,986.28/694,318.08
  6. Step 6: Final answer
    x = 535,885.91

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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.