Home / 490,513.24-676,847.54-283,817.16

Finding the Fourth Proportional to 490,513.24, 676,847.54 and 283,817.16

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Solution

The fourth proportional to 490,513.24, 676,847.54 and 283,817.16 is: 391,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,513.24 : 676,847.54 = 283,817.16 : x
  2. Step 2: Convert to fraction form
    490,513.24/676,847.54 = 283,817.16/x
  3. Step 3: Cross multiply
    490,513.24x = 676,847.54 × 283,817.16
  4. Step 4: Simplify right side
    490,513.24x = 192,100,946,555.79
  5. Step 5: Solve for x
    x = 192,100,946,555.79/490,513.24
  6. Step 6: Final answer
    x = 391,632.54

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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.