Home / 726,622.08-1,090,117.44-227,990.40

Finding the Fourth Proportional to 726,622.08, 1,090,117.44 and 227,990.40

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Solution

The fourth proportional to 726,622.08, 1,090,117.44 and 227,990.40 is: 342,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,622.08 : 1,090,117.44 = 227,990.40 : x
  2. Step 2: Convert to fraction form
    726,622.08/1,090,117.44 = 227,990.40/x
  3. Step 3: Cross multiply
    726,622.08x = 1,090,117.44 × 227,990.40
  4. Step 4: Simplify right side
    726,622.08x = 248,536,311,192.58
  5. Step 5: Solve for x
    x = 248,536,311,192.58/726,622.08
  6. Step 6: Final answer
    x = 342,043.43

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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.