Home / 751,290.32-1,036,733.64-411,734.48

Finding the Fourth Proportional to 751,290.32, 1,036,733.64 and 411,734.48

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Solution

The fourth proportional to 751,290.32, 1,036,733.64 and 411,734.48 is: 568,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,290.32 : 1,036,733.64 = 411,734.48 : x
  2. Step 2: Convert to fraction form
    751,290.32/1,036,733.64 = 411,734.48/x
  3. Step 3: Cross multiply
    751,290.32x = 1,036,733.64 × 411,734.48
  4. Step 4: Simplify right side
    751,290.32x = 426,858,986,163.91
  5. Step 5: Solve for x
    x = 426,858,986,163.91/751,290.32
  6. Step 6: Final answer
    x = 568,167.82

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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.