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Finding the Fourth Proportional to 804,369.88, 1,206,710.34 and 305,695

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Solution

The fourth proportional to 804,369.88, 1,206,710.34 and 305,695 is: 458,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,369.88 : 1,206,710.34 = 305,695 : x
  2. Step 2: Convert to fraction form
    804,369.88/1,206,710.34 = 305,695/x
  3. Step 3: Cross multiply
    804,369.88x = 1,206,710.34 × 305,695
  4. Step 4: Simplify right side
    804,369.88x = 368,885,317,386.30
  5. Step 5: Solve for x
    x = 368,885,317,386.30/804,369.88
  6. Step 6: Final answer
    x = 458,601.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.