Home / 843,644.88-1,265,373.72-212,558.64

Finding the Fourth Proportional to 843,644.88, 1,265,373.72 and 212,558.64

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Solution

The fourth proportional to 843,644.88, 1,265,373.72 and 212,558.64 is: 318,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,644.88 : 1,265,373.72 = 212,558.64 : x
  2. Step 2: Convert to fraction form
    843,644.88/1,265,373.72 = 212,558.64/x
  3. Step 3: Cross multiply
    843,644.88x = 1,265,373.72 × 212,558.64
  4. Step 4: Simplify right side
    843,644.88x = 268,966,117,014.94
  5. Step 5: Solve for x
    x = 268,966,117,014.94/843,644.88
  6. Step 6: Final answer
    x = 318,814.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.