Home / 802,428.36-1,107,464.43-496,603.26

Finding the Fourth Proportional to 802,428.36, 1,107,464.43 and 496,603.26

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Solution

The fourth proportional to 802,428.36, 1,107,464.43 and 496,603.26 is: 685,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,428.36 : 1,107,464.43 = 496,603.26 : x
  2. Step 2: Convert to fraction form
    802,428.36/1,107,464.43 = 496,603.26/x
  3. Step 3: Cross multiply
    802,428.36x = 1,107,464.43 × 496,603.26
  4. Step 4: Simplify right side
    802,428.36x = 549,970,446,272.04
  5. Step 5: Solve for x
    x = 549,970,446,272.04/802,428.36
  6. Step 6: Final answer
    x = 685,382.61

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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.