Home / 751,411.20-1,036,987.20-411,893.76

Finding the Fourth Proportional to 751,411.20, 1,036,987.20 and 411,893.76

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Solution

The fourth proportional to 751,411.20, 1,036,987.20 and 411,893.76 is: 568,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,411.20 : 1,036,987.20 = 411,893.76 : x
  2. Step 2: Convert to fraction form
    751,411.20/1,036,987.20 = 411,893.76/x
  3. Step 3: Cross multiply
    751,411.20x = 1,036,987.20 × 411,893.76
  4. Step 4: Simplify right side
    751,411.20x = 427,128,556,879.87
  5. Step 5: Solve for x
    x = 427,128,556,879.87/751,411.20
  6. Step 6: Final answer
    x = 568,435.17

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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.