Home / 751,059.65-1,036,455.54-406,887.68

Finding the Fourth Proportional to 751,059.65, 1,036,455.54 and 406,887.68

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Solution

The fourth proportional to 751,059.65, 1,036,455.54 and 406,887.68 is: 561,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,059.65 : 1,036,455.54 = 406,887.68 : x
  2. Step 2: Convert to fraction form
    751,059.65/1,036,455.54 = 406,887.68/x
  3. Step 3: Cross multiply
    751,059.65x = 1,036,455.54 × 406,887.68
  4. Step 4: Simplify right side
    751,059.65x = 421,720,990,093.75
  5. Step 5: Solve for x
    x = 421,720,990,093.75/751,059.65
  6. Step 6: Final answer
    x = 561,501.33

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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.