Home / 648,420.20-971,939.10-248,906.60

Finding the Fourth Proportional to 648,420.20, 971,939.10 and 248,906.60

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Solution

The fourth proportional to 648,420.20, 971,939.10 and 248,906.60 is: 373,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,420.20 : 971,939.10 = 248,906.60 : x
  2. Step 2: Convert to fraction form
    648,420.20/971,939.10 = 248,906.60/x
  3. Step 3: Cross multiply
    648,420.20x = 971,939.10 × 248,906.60
  4. Step 4: Simplify right side
    648,420.20x = 241,922,056,788.06
  5. Step 5: Solve for x
    x = 241,922,056,788.06/648,420.20
  6. Step 6: Final answer
    x = 373,094.57

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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.