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Finding the Fourth Proportional to 648,023.22, 971,922.72 and 292,954.68

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Solution

The fourth proportional to 648,023.22, 971,922.72 and 292,954.68 is: 439,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,023.22 : 971,922.72 = 292,954.68 : x
  2. Step 2: Convert to fraction form
    648,023.22/971,922.72 = 292,954.68/x
  3. Step 3: Cross multiply
    648,023.22x = 971,922.72 × 292,954.68
  4. Step 4: Simplify right side
    648,023.22x = 284,729,309,422.33
  5. Step 5: Solve for x
    x = 284,729,309,422.33/648,023.22
  6. Step 6: Final answer
    x = 439,381.34

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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.