Home / 489,671.53-734,733.38-223,513.63

Finding the Fourth Proportional to 489,671.53, 734,733.38 and 223,513.63

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Solution

The fourth proportional to 489,671.53, 734,733.38 and 223,513.63 is: 335,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,671.53 : 734,733.38 = 223,513.63 : x
  2. Step 2: Convert to fraction form
    489,671.53/734,733.38 = 223,513.63/x
  3. Step 3: Cross multiply
    489,671.53x = 734,733.38 × 223,513.63
  4. Step 4: Simplify right side
    489,671.53x = 164,222,923,567.92
  5. Step 5: Solve for x
    x = 164,222,923,567.92/489,671.53
  6. Step 6: Final answer
    x = 335,373.64

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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.