Home / 670,736.92-1,004,422.88-400,698.48

Finding the Fourth Proportional to 670,736.92, 1,004,422.88 and 400,698.48

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Solution

The fourth proportional to 670,736.92, 1,004,422.88 and 400,698.48 is: 600,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,736.92 : 1,004,422.88 = 400,698.48 : x
  2. Step 2: Convert to fraction form
    670,736.92/1,004,422.88 = 400,698.48/x
  3. Step 3: Cross multiply
    670,736.92x = 1,004,422.88 × 400,698.48
  4. Step 4: Simplify right side
    670,736.92x = 402,470,721,293.22
  5. Step 5: Solve for x
    x = 402,470,721,293.22/670,736.92
  6. Step 6: Final answer
    x = 600,042.59

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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.