Home / 548,975.64-756,984.78-357,634.20

Finding the Fourth Proportional to 548,975.64, 756,984.78 and 357,634.20

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Solution

The fourth proportional to 548,975.64, 756,984.78 and 357,634.20 is: 493,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,975.64 : 756,984.78 = 357,634.20 : x
  2. Step 2: Convert to fraction form
    548,975.64/756,984.78 = 357,634.20/x
  3. Step 3: Cross multiply
    548,975.64x = 756,984.78 × 357,634.20
  4. Step 4: Simplify right side
    548,975.64x = 270,723,646,207.48
  5. Step 5: Solve for x
    x = 270,723,646,207.48/548,975.64
  6. Step 6: Final answer
    x = 493,143.28

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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.