Home / 727,106.75-1,089,035.96-526,967.69

Finding the Fourth Proportional to 727,106.75, 1,089,035.96 and 526,967.69

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Solution

The fourth proportional to 727,106.75, 1,089,035.96 and 526,967.69 is: 789,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,106.75 : 1,089,035.96 = 526,967.69 : x
  2. Step 2: Convert to fraction form
    727,106.75/1,089,035.96 = 526,967.69/x
  3. Step 3: Cross multiply
    727,106.75x = 1,089,035.96 × 526,967.69
  4. Step 4: Simplify right side
    727,106.75x = 573,886,756,088.11
  5. Step 5: Solve for x
    x = 573,886,756,088.11/727,106.75
  6. Step 6: Final answer
    x = 789,274.42

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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.