Home / 863,989.37-1,192,297.02-476,808.36

Finding the Fourth Proportional to 863,989.37, 1,192,297.02 and 476,808.36

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Solution

The fourth proportional to 863,989.37, 1,192,297.02 and 476,808.36 is: 657,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,989.37 : 1,192,297.02 = 476,808.36 : x
  2. Step 2: Convert to fraction form
    863,989.37/1,192,297.02 = 476,808.36/x
  3. Step 3: Cross multiply
    863,989.37x = 1,192,297.02 × 476,808.36
  4. Step 4: Simplify right side
    863,989.37x = 568,497,180,479.94
  5. Step 5: Solve for x
    x = 568,497,180,479.94/863,989.37
  6. Step 6: Final answer
    x = 657,990.94

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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.