Home / 720,843.07-1,081,709.30-366,111.67

Finding the Fourth Proportional to 720,843.07, 1,081,709.30 and 366,111.67

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Solution

The fourth proportional to 720,843.07, 1,081,709.30 and 366,111.67 is: 549,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,843.07 : 1,081,709.30 = 366,111.67 : x
  2. Step 2: Convert to fraction form
    720,843.07/1,081,709.30 = 366,111.67/x
  3. Step 3: Cross multiply
    720,843.07x = 1,081,709.30 × 366,111.67
  4. Step 4: Simplify right side
    720,843.07x = 396,026,398,277.53
  5. Step 5: Solve for x
    x = 396,026,398,277.53/720,843.07
  6. Step 6: Final answer
    x = 549,393.36

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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.