Home / 818,580.92-1,129,676.50-456,004.34

Finding the Fourth Proportional to 818,580.92, 1,129,676.50 and 456,004.34

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Solution

The fourth proportional to 818,580.92, 1,129,676.50 and 456,004.34 is: 629,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,580.92 : 1,129,676.50 = 456,004.34 : x
  2. Step 2: Convert to fraction form
    818,580.92/1,129,676.50 = 456,004.34/x
  3. Step 3: Cross multiply
    818,580.92x = 1,129,676.50 × 456,004.34
  4. Step 4: Simplify right side
    818,580.92x = 515,137,386,796.01
  5. Step 5: Solve for x
    x = 515,137,386,796.01/818,580.92
  6. Step 6: Final answer
    x = 629,305.39

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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.