Home / 720,851.07-1,081,721.30-366,119.67

Finding the Fourth Proportional to 720,851.07, 1,081,721.30 and 366,119.67

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Solution

The fourth proportional to 720,851.07, 1,081,721.30 and 366,119.67 is: 549,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,851.07 : 1,081,721.30 = 366,119.67 : x
  2. Step 2: Convert to fraction form
    720,851.07/1,081,721.30 = 366,119.67/x
  3. Step 3: Cross multiply
    720,851.07x = 1,081,721.30 × 366,119.67
  4. Step 4: Simplify right side
    720,851.07x = 396,039,445,387.97
  5. Step 5: Solve for x
    x = 396,039,445,387.97/720,851.07
  6. Step 6: Final answer
    x = 549,405.37

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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.