Home / 810,698.14-1,118,714.79-448,100.37

Finding the Fourth Proportional to 810,698.14, 1,118,714.79 and 448,100.37

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Solution

The fourth proportional to 810,698.14, 1,118,714.79 and 448,100.37 is: 618,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,698.14 : 1,118,714.79 = 448,100.37 : x
  2. Step 2: Convert to fraction form
    810,698.14/1,118,714.79 = 448,100.37/x
  3. Step 3: Cross multiply
    810,698.14x = 1,118,714.79 × 448,100.37
  4. Step 4: Simplify right side
    810,698.14x = 501,296,513,003.85
  5. Step 5: Solve for x
    x = 501,296,513,003.85/810,698.14
  6. Step 6: Final answer
    x = 618,351.63

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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.