Home / 726,999.90-1,090,672.65-306,059.10

Finding the Fourth Proportional to 726,999.90, 1,090,672.65 and 306,059.10

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Solution

The fourth proportional to 726,999.90, 1,090,672.65 and 306,059.10 is: 459,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,999.90 : 1,090,672.65 = 306,059.10 : x
  2. Step 2: Convert to fraction form
    726,999.90/1,090,672.65 = 306,059.10/x
  3. Step 3: Cross multiply
    726,999.90x = 1,090,672.65 × 306,059.10
  4. Step 4: Simplify right side
    726,999.90x = 333,810,289,653.62
  5. Step 5: Solve for x
    x = 333,810,289,653.62/726,999.90
  6. Step 6: Final answer
    x = 459,161.40

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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.