Home / 751,253.88-1,036,404.54-496,959.96

Finding the Fourth Proportional to 751,253.88, 1,036,404.54 and 496,959.96

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Solution

The fourth proportional to 751,253.88, 1,036,404.54 and 496,959.96 is: 685,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,253.88 : 1,036,404.54 = 496,959.96 : x
  2. Step 2: Convert to fraction form
    751,253.88/1,036,404.54 = 496,959.96/x
  3. Step 3: Cross multiply
    751,253.88x = 1,036,404.54 × 496,959.96
  4. Step 4: Simplify right side
    751,253.88x = 515,051,558,742.22
  5. Step 5: Solve for x
    x = 515,051,558,742.22/751,253.88
  6. Step 6: Final answer
    x = 685,589.22

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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.