Home / 804,006.72-1,109,479.50-441,428.52

Finding the Fourth Proportional to 804,006.72, 1,109,479.50 and 441,428.52

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Solution

The fourth proportional to 804,006.72, 1,109,479.50 and 441,428.52 is: 609,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,006.72 : 1,109,479.50 = 441,428.52 : x
  2. Step 2: Convert to fraction form
    804,006.72/1,109,479.50 = 441,428.52/x
  3. Step 3: Cross multiply
    804,006.72x = 1,109,479.50 × 441,428.52
  4. Step 4: Simplify right side
    804,006.72x = 489,755,893,655.34
  5. Step 5: Solve for x
    x = 489,755,893,655.34/804,006.72
  6. Step 6: Final answer
    x = 609,144.03

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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.