Home / 489,932.53-734,612.70-190,062.68

Finding the Fourth Proportional to 489,932.53, 734,612.70 and 190,062.68

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Solution

The fourth proportional to 489,932.53, 734,612.70 and 190,062.68 is: 284,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,932.53 : 734,612.70 = 190,062.68 : x
  2. Step 2: Convert to fraction form
    489,932.53/734,612.70 = 190,062.68/x
  3. Step 3: Cross multiply
    489,932.53x = 734,612.70 × 190,062.68
  4. Step 4: Simplify right side
    489,932.53x = 139,622,460,360.57
  5. Step 5: Solve for x
    x = 139,622,460,360.57/489,932.53
  6. Step 6: Final answer
    x = 284,983.04

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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.