Home / 648,422.20-971,942.10-248,908.60

Finding the Fourth Proportional to 648,422.20, 971,942.10 and 248,908.60

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Solution

The fourth proportional to 648,422.20, 971,942.10 and 248,908.60 is: 373,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,422.20 : 971,942.10 = 248,908.60 : x
  2. Step 2: Convert to fraction form
    648,422.20/971,942.10 = 248,908.60/x
  3. Step 3: Cross multiply
    648,422.20x = 971,942.10 × 248,908.60
  4. Step 4: Simplify right side
    648,422.20x = 241,924,747,392.06
  5. Step 5: Solve for x
    x = 241,924,747,392.06/648,422.20
  6. Step 6: Final answer
    x = 373,097.57

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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.