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Finding the Fourth Proportional to 490,832.40, 736,248.60 and 490,832.40

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Solution

The fourth proportional to 490,832.40, 736,248.60 and 490,832.40 is: 736,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,832.40 : 736,248.60 = 490,832.40 : x
  2. Step 2: Convert to fraction form
    490,832.40/736,248.60 = 490,832.40/x
  3. Step 3: Cross multiply
    490,832.40x = 736,248.60 × 490,832.40
  4. Step 4: Simplify right side
    490,832.40x = 361,374,667,334.64
  5. Step 5: Solve for x
    x = 361,374,667,334.64/490,832.40
  6. Step 6: Final answer
    x = 736,248.60

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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.