Home / 751,272.91-1,036,554.87-428,918.83

Finding the Fourth Proportional to 751,272.91, 1,036,554.87 and 428,918.83

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Solution

The fourth proportional to 751,272.91, 1,036,554.87 and 428,918.83 is: 591,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,272.91 : 1,036,554.87 = 428,918.83 : x
  2. Step 2: Convert to fraction form
    751,272.91/1,036,554.87 = 428,918.83/x
  3. Step 3: Cross multiply
    751,272.91x = 1,036,554.87 × 428,918.83
  4. Step 4: Simplify right side
    751,272.91x = 444,597,901,088.26
  5. Step 5: Solve for x
    x = 444,597,901,088.26/751,272.91
  6. Step 6: Final answer
    x = 591,792.80

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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.