Home / 851,414.86-1,175,157.22-511,817.50

Finding the Fourth Proportional to 851,414.86, 1,175,157.22 and 511,817.50

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Solution

The fourth proportional to 851,414.86, 1,175,157.22 and 511,817.50 is: 706,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,414.86 : 1,175,157.22 = 511,817.50 : x
  2. Step 2: Convert to fraction form
    851,414.86/1,175,157.22 = 511,817.50/x
  3. Step 3: Cross multiply
    851,414.86x = 1,175,157.22 × 511,817.50
  4. Step 4: Simplify right side
    851,414.86x = 601,466,030,447.35
  5. Step 5: Solve for x
    x = 601,466,030,447.35/851,414.86
  6. Step 6: Final answer
    x = 706,431.21

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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.