Home / 728,524.68-1,004,798.76-646,938.76

Finding the Fourth Proportional to 728,524.68, 1,004,798.76 and 646,938.76

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Solution

The fourth proportional to 728,524.68, 1,004,798.76 and 646,938.76 is: 892,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,524.68 : 1,004,798.76 = 646,938.76 : x
  2. Step 2: Convert to fraction form
    728,524.68/1,004,798.76 = 646,938.76/x
  3. Step 3: Cross multiply
    728,524.68x = 1,004,798.76 × 646,938.76
  4. Step 4: Simplify right side
    728,524.68x = 650,043,263,843.94
  5. Step 5: Solve for x
    x = 650,043,263,843.94/728,524.68
  6. Step 6: Final answer
    x = 892,273.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.