Home / 799,965.56-1,199,948.42-320,411.16

Finding the Fourth Proportional to 799,965.56, 1,199,948.42 and 320,411.16

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Solution

The fourth proportional to 799,965.56, 1,199,948.42 and 320,411.16 is: 480,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,965.56 : 1,199,948.42 = 320,411.16 : x
  2. Step 2: Convert to fraction form
    799,965.56/1,199,948.42 = 320,411.16/x
  3. Step 3: Cross multiply
    799,965.56x = 1,199,948.42 × 320,411.16
  4. Step 4: Simplify right side
    799,965.56x = 384,476,865,192.37
  5. Step 5: Solve for x
    x = 384,476,865,192.37/799,965.56
  6. Step 6: Final answer
    x = 480,616.77

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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.