Home / 726,771.81-1,090,074.54-194,334.36

Finding the Fourth Proportional to 726,771.81, 1,090,074.54 and 194,334.36

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Solution

The fourth proportional to 726,771.81, 1,090,074.54 and 194,334.36 is: 291,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,771.81 : 1,090,074.54 = 194,334.36 : x
  2. Step 2: Convert to fraction form
    726,771.81/1,090,074.54 = 194,334.36/x
  3. Step 3: Cross multiply
    726,771.81x = 1,090,074.54 × 194,334.36
  4. Step 4: Simplify right side
    726,771.81x = 211,838,937,111.52
  5. Step 5: Solve for x
    x = 211,838,937,111.52/726,771.81
  6. Step 6: Final answer
    x = 291,479.30

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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.