Home / 751,173.14-1,036,619.98-407,012.80

Finding the Fourth Proportional to 751,173.14, 1,036,619.98 and 407,012.80

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Solution

The fourth proportional to 751,173.14, 1,036,619.98 and 407,012.80 is: 561,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,173.14 : 1,036,619.98 = 407,012.80 : x
  2. Step 2: Convert to fraction form
    751,173.14/1,036,619.98 = 407,012.80/x
  3. Step 3: Cross multiply
    751,173.14x = 1,036,619.98 × 407,012.80
  4. Step 4: Simplify right side
    751,173.14x = 421,917,598,930.33
  5. Step 5: Solve for x
    x = 421,917,598,930.33/751,173.14
  6. Step 6: Final answer
    x = 561,678.23

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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.