Home / 727,155.18-1,090,782.60-247,187.67

Finding the Fourth Proportional to 727,155.18, 1,090,782.60 and 247,187.67

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Solution

The fourth proportional to 727,155.18, 1,090,782.60 and 247,187.67 is: 370,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,155.18 : 1,090,782.60 = 247,187.67 : x
  2. Step 2: Convert to fraction form
    727,155.18/1,090,782.60 = 247,187.67/x
  3. Step 3: Cross multiply
    727,155.18x = 1,090,782.60 × 247,187.67
  4. Step 4: Simplify right side
    727,155.18x = 269,628,009,370.54
  5. Step 5: Solve for x
    x = 269,628,009,370.54/727,155.18
  6. Step 6: Final answer
    x = 370,798.44

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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.