Home / 734,901.60-1,102,093.20-261,602.40

Finding the Fourth Proportional to 734,901.60, 1,102,093.20 and 261,602.40

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Solution

The fourth proportional to 734,901.60, 1,102,093.20 and 261,602.40 is: 392,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,901.60 : 1,102,093.20 = 261,602.40 : x
  2. Step 2: Convert to fraction form
    734,901.60/1,102,093.20 = 261,602.40/x
  3. Step 3: Cross multiply
    734,901.60x = 1,102,093.20 × 261,602.40
  4. Step 4: Simplify right side
    734,901.60x = 288,310,226,143.68
  5. Step 5: Solve for x
    x = 288,310,226,143.68/734,901.60
  6. Step 6: Final answer
    x = 392,311.33

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Similar ratio
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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.