Home / 726,257.03-1,089,385.64-193,780.04

Finding the Fourth Proportional to 726,257.03, 1,089,385.64 and 193,780.04

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Solution

The fourth proportional to 726,257.03, 1,089,385.64 and 193,780.04 is: 290,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,257.03 : 1,089,385.64 = 193,780.04 : x
  2. Step 2: Convert to fraction form
    726,257.03/1,089,385.64 = 193,780.04/x
  3. Step 3: Cross multiply
    726,257.03x = 1,089,385.64 × 193,780.04
  4. Step 4: Simplify right side
    726,257.03x = 211,101,186,478.80
  5. Step 5: Solve for x
    x = 211,101,186,478.80/726,257.03
  6. Step 6: Final answer
    x = 290,670.08

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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.