Home / 744,648.03-1,027,618.79-405,118.71

Finding the Fourth Proportional to 744,648.03, 1,027,618.79 and 405,118.71

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Solution

The fourth proportional to 744,648.03, 1,027,618.79 and 405,118.71 is: 559,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,648.03 : 1,027,618.79 = 405,118.71 : x
  2. Step 2: Convert to fraction form
    744,648.03/1,027,618.79 = 405,118.71/x
  3. Step 3: Cross multiply
    744,648.03x = 1,027,618.79 × 405,118.71
  4. Step 4: Simplify right side
    744,648.03x = 416,307,596,550.97
  5. Step 5: Solve for x
    x = 416,307,596,550.97/744,648.03
  6. Step 6: Final answer
    x = 559,066.27

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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.