Home / 489,928.07-734,606.10-190,058.27

Finding the Fourth Proportional to 489,928.07, 734,606.10 and 190,058.27

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Solution

The fourth proportional to 489,928.07, 734,606.10 and 190,058.27 is: 284,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,928.07 : 734,606.10 = 190,058.27 : x
  2. Step 2: Convert to fraction form
    489,928.07/734,606.10 = 190,058.27/x
  3. Step 3: Cross multiply
    489,928.07x = 734,606.10 × 190,058.27
  4. Step 4: Simplify right side
    489,928.07x = 139,617,964,497.45
  5. Step 5: Solve for x
    x = 139,617,964,497.45/489,928.07
  6. Step 6: Final answer
    x = 284,976.45

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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.