Home / 712,222.44-982,869.83-389,962.52

Finding the Fourth Proportional to 712,222.44, 982,869.83 and 389,962.52

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Solution

The fourth proportional to 712,222.44, 982,869.83 and 389,962.52 is: 538,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,222.44 : 982,869.83 = 389,962.52 : x
  2. Step 2: Convert to fraction form
    712,222.44/982,869.83 = 389,962.52/x
  3. Step 3: Cross multiply
    712,222.44x = 982,869.83 × 389,962.52
  4. Step 4: Simplify right side
    712,222.44x = 383,282,395,738.77
  5. Step 5: Solve for x
    x = 383,282,395,738.77/712,222.44
  6. Step 6: Final answer
    x = 538,149.85

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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.