Home / 897,795.30-1,238,954.12-489,893.56

Finding the Fourth Proportional to 897,795.30, 1,238,954.12 and 489,893.56

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Solution

The fourth proportional to 897,795.30, 1,238,954.12 and 489,893.56 is: 676,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,795.30 : 1,238,954.12 = 489,893.56 : x
  2. Step 2: Convert to fraction form
    897,795.30/1,238,954.12 = 489,893.56/x
  3. Step 3: Cross multiply
    897,795.30x = 1,238,954.12 × 489,893.56
  4. Step 4: Simplify right side
    897,795.30x = 606,955,644,523.47
  5. Step 5: Solve for x
    x = 606,955,644,523.47/897,795.30
  6. Step 6: Final answer
    x = 676,051.26

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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.