Home / 804,709.50-1,110,519.09-442,156.83

Finding the Fourth Proportional to 804,709.50, 1,110,519.09 and 442,156.83

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Solution

The fourth proportional to 804,709.50, 1,110,519.09 and 442,156.83 is: 610,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,709.50 : 1,110,519.09 = 442,156.83 : x
  2. Step 2: Convert to fraction form
    804,709.50/1,110,519.09 = 442,156.83/x
  3. Step 3: Cross multiply
    804,709.50x = 1,110,519.09 × 442,156.83
  4. Step 4: Simplify right side
    804,709.50x = 491,023,600,488.89
  5. Step 5: Solve for x
    x = 491,023,600,488.89/804,709.50
  6. Step 6: Final answer
    x = 610,187.40

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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.