Home / 735,067.60-1,102,342.20-261,768.40

Finding the Fourth Proportional to 735,067.60, 1,102,342.20 and 261,768.40

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Solution

The fourth proportional to 735,067.60, 1,102,342.20 and 261,768.40 is: 392,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,067.60 : 1,102,342.20 = 261,768.40 : x
  2. Step 2: Convert to fraction form
    735,067.60/1,102,342.20 = 261,768.40/x
  3. Step 3: Cross multiply
    735,067.60x = 1,102,342.20 × 261,768.40
  4. Step 4: Simplify right side
    735,067.60x = 288,558,353,946.48
  5. Step 5: Solve for x
    x = 288,558,353,946.48/735,067.60
  6. Step 6: Final answer
    x = 392,560.30

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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.