Home / 648,419.70-971,938.35-248,906.10

Finding the Fourth Proportional to 648,419.70, 971,938.35 and 248,906.10

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Solution

The fourth proportional to 648,419.70, 971,938.35 and 248,906.10 is: 373,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,419.70 : 971,938.35 = 248,906.10 : x
  2. Step 2: Convert to fraction form
    648,419.70/971,938.35 = 248,906.10/x
  3. Step 3: Cross multiply
    648,419.70x = 971,938.35 × 248,906.10
  4. Step 4: Simplify right side
    648,419.70x = 241,921,384,138.94
  5. Step 5: Solve for x
    x = 241,921,384,138.94/648,419.70
  6. Step 6: Final answer
    x = 373,093.82

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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.