Home / 489,828.02-675,910.73-274,991.72

Finding the Fourth Proportional to 489,828.02, 675,910.73 and 274,991.72

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Solution

The fourth proportional to 489,828.02, 675,910.73 and 274,991.72 is: 379,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,828.02 : 675,910.73 = 274,991.72 : x
  2. Step 2: Convert to fraction form
    489,828.02/675,910.73 = 274,991.72/x
  3. Step 3: Cross multiply
    489,828.02x = 675,910.73 × 274,991.72
  4. Step 4: Simplify right side
    489,828.02x = 185,869,852,834.20
  5. Step 5: Solve for x
    x = 185,869,852,834.20/489,828.02
  6. Step 6: Final answer
    x = 379,459.41

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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.