Home / 751,069.61-1,036,476.29-406,907.90

Finding the Fourth Proportional to 751,069.61, 1,036,476.29 and 406,907.90

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Solution

The fourth proportional to 751,069.61, 1,036,476.29 and 406,907.90 is: 561,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,069.61 : 1,036,476.29 = 406,907.90 : x
  2. Step 2: Convert to fraction form
    751,069.61/1,036,476.29 = 406,907.90/x
  3. Step 3: Cross multiply
    751,069.61x = 1,036,476.29 × 406,907.90
  4. Step 4: Simplify right side
    751,069.61x = 421,750,394,172.15
  5. Step 5: Solve for x
    x = 421,750,394,172.15/751,069.61
  6. Step 6: Final answer
    x = 561,533.03

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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.