Home / 879,438.77-1,213,452.97-552,562.41

Finding the Fourth Proportional to 879,438.77, 1,213,452.97 and 552,562.41

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Solution

The fourth proportional to 879,438.77, 1,213,452.97 and 552,562.41 is: 762,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,438.77 : 1,213,452.97 = 552,562.41 : x
  2. Step 2: Convert to fraction form
    879,438.77/1,213,452.97 = 552,562.41/x
  3. Step 3: Cross multiply
    879,438.77x = 1,213,452.97 × 552,562.41
  4. Step 4: Simplify right side
    879,438.77x = 670,508,497,524.86
  5. Step 5: Solve for x
    x = 670,508,497,524.86/879,438.77
  6. Step 6: Final answer
    x = 762,427.72

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1.5x scale

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.