Home / 751,411.70-1,036,987.89-411,894.26

Finding the Fourth Proportional to 751,411.70, 1,036,987.89 and 411,894.26

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Solution

The fourth proportional to 751,411.70, 1,036,987.89 and 411,894.26 is: 568,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,411.70 : 1,036,987.89 = 411,894.26 : x
  2. Step 2: Convert to fraction form
    751,411.70/1,036,987.89 = 411,894.26/x
  3. Step 3: Cross multiply
    751,411.70x = 1,036,987.89 × 411,894.26
  4. Step 4: Simplify right side
    751,411.70x = 427,129,359,580.51
  5. Step 5: Solve for x
    x = 427,129,359,580.51/751,411.70
  6. Step 6: Final answer
    x = 568,435.86

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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.