Home / 335,719.80-503,579.70-259,612.20

Finding the Fourth Proportional to 335,719.80, 503,579.70 and 259,612.20

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Solution

The fourth proportional to 335,719.80, 503,579.70 and 259,612.20 is: 389,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,719.80 : 503,579.70 = 259,612.20 : x
  2. Step 2: Convert to fraction form
    335,719.80/503,579.70 = 259,612.20/x
  3. Step 3: Cross multiply
    335,719.80x = 503,579.70 × 259,612.20
  4. Step 4: Simplify right side
    335,719.80x = 130,735,433,792.34
  5. Step 5: Solve for x
    x = 130,735,433,792.34/335,719.80
  6. Step 6: Final answer
    x = 389,418.30

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1.5x scale

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.