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Finding the Fourth Proportional to 341,735.40, 512,603.10 and 324,628.20

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Solution

The fourth proportional to 341,735.40, 512,603.10 and 324,628.20 is: 486,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,735.40 : 512,603.10 = 324,628.20 : x
  2. Step 2: Convert to fraction form
    341,735.40/512,603.10 = 324,628.20/x
  3. Step 3: Cross multiply
    341,735.40x = 512,603.10 × 324,628.20
  4. Step 4: Simplify right side
    341,735.40x = 166,405,421,667.42
  5. Step 5: Solve for x
    x = 166,405,421,667.42/341,735.40
  6. Step 6: Final answer
    x = 486,942.30

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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.