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Finding the Fourth Proportional to 575,699.90, 863,123.36 and 275,895

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Solution

The fourth proportional to 575,699.90, 863,123.36 and 275,895 is: 413,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,699.90 : 863,123.36 = 275,895 : x
  2. Step 2: Convert to fraction form
    575,699.90/863,123.36 = 275,895/x
  3. Step 3: Cross multiply
    575,699.90x = 863,123.36 × 275,895
  4. Step 4: Simplify right side
    575,699.90x = 238,131,418,027.73
  5. Step 5: Solve for x
    x = 238,131,418,027.73/575,699.90
  6. Step 6: Final answer
    x = 413,638.11

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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.