Home / 341,719.40-512,579.10-324,612.20

Finding the Fourth Proportional to 341,719.40, 512,579.10 and 324,612.20

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Solution

The fourth proportional to 341,719.40, 512,579.10 and 324,612.20 is: 486,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,719.40 : 512,579.10 = 324,612.20 : x
  2. Step 2: Convert to fraction form
    341,719.40/512,579.10 = 324,612.20/x
  3. Step 3: Cross multiply
    341,719.40x = 512,579.10 × 324,612.20
  4. Step 4: Simplify right side
    341,719.40x = 166,389,429,325.02
  5. Step 5: Solve for x
    x = 166,389,429,325.02/341,719.40
  6. Step 6: Final answer
    x = 486,918.30

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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.