Home / 735,225.78-1,102,906.64-285,980.74

Finding the Fourth Proportional to 735,225.78, 1,102,906.64 and 285,980.74

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Solution

The fourth proportional to 735,225.78, 1,102,906.64 and 285,980.74 is: 428,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,225.78 : 1,102,906.64 = 285,980.74 : x
  2. Step 2: Convert to fraction form
    735,225.78/1,102,906.64 = 285,980.74/x
  3. Step 3: Cross multiply
    735,225.78x = 1,102,906.64 × 285,980.74
  4. Step 4: Simplify right side
    735,225.78x = 315,410,055,628.21
  5. Step 5: Solve for x
    x = 315,410,055,628.21/735,225.78
  6. Step 6: Final answer
    x = 428,997.55

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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.