Finding the Fourth Proportional to 860,113.75, 1,186,987.43 and 472,958.63
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Solution
The fourth proportional to 860,113.75, 1,186,987.43 and 472,958.63 is: 652,699.66
Step by Step Solution
- Step 1: Write the proportion equation
860,113.75 : 1,186,987.43 = 472,958.63 : x - Step 2: Convert to fraction form
860,113.75/1,186,987.43 = 472,958.63/x - Step 3: Cross multiply
860,113.75x = 1,186,987.43 × 472,958.63 - Step 4: Simplify right side
860,113.75x = 561,395,948,720.02 - Step 5: Solve for x
x = 561,395,948,720.02/860,113.75 - Step 6: Final answer
x = 652,699.66
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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.