Home / 878,042.48-1,211,704.44-475,634.48

Finding the Fourth Proportional to 878,042.48, 1,211,704.44 and 475,634.48

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Solution

The fourth proportional to 878,042.48, 1,211,704.44 and 475,634.48 is: 656,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,042.48 : 1,211,704.44 = 475,634.48 : x
  2. Step 2: Convert to fraction form
    878,042.48/1,211,704.44 = 475,634.48/x
  3. Step 3: Cross multiply
    878,042.48x = 1,211,704.44 × 475,634.48
  4. Step 4: Simplify right side
    878,042.48x = 576,328,411,233.09
  5. Step 5: Solve for x
    x = 576,328,411,233.09/878,042.48
  6. Step 6: Final answer
    x = 656,378.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.