Home / 648,408.20-971,921.10-248,894.60

Finding the Fourth Proportional to 648,408.20, 971,921.10 and 248,894.60

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Solution

The fourth proportional to 648,408.20, 971,921.10 and 248,894.60 is: 373,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,408.20 : 971,921.10 = 248,894.60 : x
  2. Step 2: Convert to fraction form
    648,408.20/971,921.10 = 248,894.60/x
  3. Step 3: Cross multiply
    648,408.20x = 971,921.10 × 248,894.60
  4. Step 4: Simplify right side
    648,408.20x = 241,905,913,416.06
  5. Step 5: Solve for x
    x = 241,905,913,416.06/648,408.20
  6. Step 6: Final answer
    x = 373,076.58

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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.