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Finding the Fourth Proportional to 804,677.88, 1,109,993.56 and 502,347

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Solution

The fourth proportional to 804,677.88, 1,109,993.56 and 502,347 is: 692,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,677.88 : 1,109,993.56 = 502,347 : x
  2. Step 2: Convert to fraction form
    804,677.88/1,109,993.56 = 502,347/x
  3. Step 3: Cross multiply
    804,677.88x = 1,109,993.56 × 502,347
  4. Step 4: Simplify right side
    804,677.88x = 557,601,934,885.32
  5. Step 5: Solve for x
    x = 557,601,934,885.32/804,677.88
  6. Step 6: Final answer
    x = 692,950.49

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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.