Home / 489,927.73-734,605.57-190,057.92

Finding the Fourth Proportional to 489,927.73, 734,605.57 and 190,057.92

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Solution

The fourth proportional to 489,927.73, 734,605.57 and 190,057.92 is: 284,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,927.73 : 734,605.57 = 190,057.92 : x
  2. Step 2: Convert to fraction form
    489,927.73/734,605.57 = 190,057.92/x
  3. Step 3: Cross multiply
    489,927.73x = 734,605.57 × 190,057.92
  4. Step 4: Simplify right side
    489,927.73x = 139,617,606,654.61
  5. Step 5: Solve for x
    x = 139,617,606,654.61/489,927.73
  6. Step 6: Final answer
    x = 284,975.92

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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.