Home / 852,729.60-1,278,871.65-253,529.40

Finding the Fourth Proportional to 852,729.60, 1,278,871.65 and 253,529.40

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Solution

The fourth proportional to 852,729.60, 1,278,871.65 and 253,529.40 is: 380,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,729.60 : 1,278,871.65 = 253,529.40 : x
  2. Step 2: Convert to fraction form
    852,729.60/1,278,871.65 = 253,529.40/x
  3. Step 3: Cross multiply
    852,729.60x = 1,278,871.65 × 253,529.40
  4. Step 4: Simplify right side
    852,729.60x = 324,231,562,101.51
  5. Step 5: Solve for x
    x = 324,231,562,101.51/852,729.60
  6. Step 6: Final answer
    x = 380,227.87

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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.