Home / 751,173.35-1,036,596.69-428,820.48

Finding the Fourth Proportional to 751,173.35, 1,036,596.69 and 428,820.48

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Solution

The fourth proportional to 751,173.35, 1,036,596.69 and 428,820.48 is: 591,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,173.35 : 1,036,596.69 = 428,820.48 : x
  2. Step 2: Convert to fraction form
    751,173.35/1,036,596.69 = 428,820.48/x
  3. Step 3: Cross multiply
    751,173.35x = 1,036,596.69 × 428,820.48
  4. Step 4: Simplify right side
    751,173.35x = 444,513,890,172.21
  5. Step 5: Solve for x
    x = 444,513,890,172.21/751,173.35
  6. Step 6: Final answer
    x = 591,759.40

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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.