Home / 804,345.98-1,109,996.78-441,779.64

Finding the Fourth Proportional to 804,345.98, 1,109,996.78 and 441,779.64

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Solution

The fourth proportional to 804,345.98, 1,109,996.78 and 441,779.64 is: 609,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,345.98 : 1,109,996.78 = 441,779.64 : x
  2. Step 2: Convert to fraction form
    804,345.98/1,109,996.78 = 441,779.64/x
  3. Step 3: Cross multiply
    804,345.98x = 1,109,996.78 × 441,779.64
  4. Step 4: Simplify right side
    804,345.98x = 490,373,977,869.56
  5. Step 5: Solve for x
    x = 490,373,977,869.56/804,345.98
  6. Step 6: Final answer
    x = 609,655.53

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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.