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Finding the Fourth Proportional to 490,620.16, 677,061.84 and 297,025.24

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Solution

The fourth proportional to 490,620.16, 677,061.84 and 297,025.24 is: 409,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,620.16 : 677,061.84 = 297,025.24 : x
  2. Step 2: Convert to fraction form
    490,620.16/677,061.84 = 297,025.24/x
  3. Step 3: Cross multiply
    490,620.16x = 677,061.84 × 297,025.24
  4. Step 4: Simplify right side
    490,620.16x = 201,104,455,520.84
  5. Step 5: Solve for x
    x = 201,104,455,520.84/490,620.16
  6. Step 6: Final answer
    x = 409,898.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.