Home / 726,792.09-1,090,105.10-194,354.64

Finding the Fourth Proportional to 726,792.09, 1,090,105.10 and 194,354.64

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Solution

The fourth proportional to 726,792.09, 1,090,105.10 and 194,354.64 is: 291,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,792.09 : 1,090,105.10 = 194,354.64 : x
  2. Step 2: Convert to fraction form
    726,792.09/1,090,105.10 = 194,354.64/x
  3. Step 3: Cross multiply
    726,792.09x = 1,090,105.10 × 194,354.64
  4. Step 4: Simplify right side
    726,792.09x = 211,866,983,300.89
  5. Step 5: Solve for x
    x = 211,866,983,300.89/726,792.09
  6. Step 6: Final answer
    x = 291,509.75

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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.