Home / 727,159.32-1,090,788.78-247,191.81

Finding the Fourth Proportional to 727,159.32, 1,090,788.78 and 247,191.81

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Solution

The fourth proportional to 727,159.32, 1,090,788.78 and 247,191.81 is: 370,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,159.32 : 1,090,788.78 = 247,191.81 : x
  2. Step 2: Convert to fraction form
    727,159.32/1,090,788.78 = 247,191.81/x
  3. Step 3: Cross multiply
    727,159.32x = 1,090,788.78 × 247,191.81
  4. Step 4: Simplify right side
    727,159.32x = 269,634,052,855.89
  5. Step 5: Solve for x
    x = 269,634,052,855.89/727,159.32
  6. Step 6: Final answer
    x = 370,804.64

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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.