Home / 751,290.92-1,036,779.48-407,136.44

Finding the Fourth Proportional to 751,290.92, 1,036,779.48 and 407,136.44

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Solution

The fourth proportional to 751,290.92, 1,036,779.48 and 407,136.44 is: 561,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,290.92 : 1,036,779.48 = 407,136.44 : x
  2. Step 2: Convert to fraction form
    751,290.92/1,036,779.48 = 407,136.44/x
  3. Step 3: Cross multiply
    751,290.92x = 1,036,779.48 × 407,136.44
  4. Step 4: Simplify right side
    751,290.92x = 422,110,706,552.25
  5. Step 5: Solve for x
    x = 422,110,706,552.25/751,290.92
  6. Step 6: Final answer
    x = 561,847.21

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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.