Home / 726,771.56-1,090,074.16-194,334.11

Finding the Fourth Proportional to 726,771.56, 1,090,074.16 and 194,334.11

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Solution

The fourth proportional to 726,771.56, 1,090,074.16 and 194,334.11 is: 291,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,771.56 : 1,090,074.16 = 194,334.11 : x
  2. Step 2: Convert to fraction form
    726,771.56/1,090,074.16 = 194,334.11/x
  3. Step 3: Cross multiply
    726,771.56x = 1,090,074.16 × 194,334.11
  4. Step 4: Simplify right side
    726,771.56x = 211,838,592,641.81
  5. Step 5: Solve for x
    x = 211,838,592,641.81/726,771.56
  6. Step 6: Final answer
    x = 291,478.92

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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.