Home / 489,581.82-734,389.20-348,060.96

Finding the Fourth Proportional to 489,581.82, 734,389.20 and 348,060.96

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Solution

The fourth proportional to 489,581.82, 734,389.20 and 348,060.96 is: 522,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,581.82 : 734,389.20 = 348,060.96 : x
  2. Step 2: Convert to fraction form
    489,581.82/734,389.20 = 348,060.96/x
  3. Step 3: Cross multiply
    489,581.82x = 734,389.20 × 348,060.96
  4. Step 4: Simplify right side
    489,581.82x = 255,612,209,965.63
  5. Step 5: Solve for x
    x = 255,612,209,965.63/489,581.82
  6. Step 6: Final answer
    x = 522,103.15

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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.