Home / 726,774.16-1,090,207.32-228,157.84

Finding the Fourth Proportional to 726,774.16, 1,090,207.32 and 228,157.84

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Solution

The fourth proportional to 726,774.16, 1,090,207.32 and 228,157.84 is: 342,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,774.16 : 1,090,207.32 = 228,157.84 : x
  2. Step 2: Convert to fraction form
    726,774.16/1,090,207.32 = 228,157.84/x
  3. Step 3: Cross multiply
    726,774.16x = 1,090,207.32 × 228,157.84
  4. Step 4: Simplify right side
    726,774.16x = 248,739,347,283.39
  5. Step 5: Solve for x
    x = 248,739,347,283.39/726,774.16
  6. Step 6: Final answer
    x = 342,251.23

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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.