Home / 712,031.16-982,594.44-385,336.56

Finding the Fourth Proportional to 712,031.16, 982,594.44 and 385,336.56

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Solution

The fourth proportional to 712,031.16, 982,594.44 and 385,336.56 is: 531,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,031.16 : 982,594.44 = 385,336.56 : x
  2. Step 2: Convert to fraction form
    712,031.16/982,594.44 = 385,336.56/x
  3. Step 3: Cross multiply
    712,031.16x = 982,594.44 × 385,336.56
  4. Step 4: Simplify right side
    712,031.16x = 378,629,561,384.73
  5. Step 5: Solve for x
    x = 378,629,561,384.73/712,031.16
  6. Step 6: Final answer
    x = 531,759.82

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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.