Finding the Fourth Proportional to 605,315.22, 835,356.42 and 375,998.09
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Solution
The fourth proportional to 605,315.22, 835,356.42 and 375,998.09 is: 518,890.66
Step by Step Solution
- Step 1: Write the proportion equation
605,315.22 : 835,356.42 = 375,998.09 : x - Step 2: Convert to fraction form
605,315.22/835,356.42 = 375,998.09/x - Step 3: Cross multiply
605,315.22x = 835,356.42 × 375,998.09 - Step 4: Simplify right side
605,315.22x = 314,092,414,212.46 - Step 5: Solve for x
x = 314,092,414,212.46/605,315.22 - Step 6: Final answer
x = 518,890.66
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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.