Home / 957,231.42-1,320,979.36-527,511.55

Finding the Fourth Proportional to 957,231.42, 1,320,979.36 and 527,511.55

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Solution

The fourth proportional to 957,231.42, 1,320,979.36 and 527,511.55 is: 727,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,231.42 : 1,320,979.36 = 527,511.55 : x
  2. Step 2: Convert to fraction form
    957,231.42/1,320,979.36 = 527,511.55/x
  3. Step 3: Cross multiply
    957,231.42x = 1,320,979.36 × 527,511.55
  4. Step 4: Simplify right side
    957,231.42x = 696,831,871,897.56
  5. Step 5: Solve for x
    x = 696,831,871,897.56/957,231.42
  6. Step 6: Final answer
    x = 727,965.94

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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.