Finding the Fourth Proportional to 860,405.63, 1,187,388.77 and 473,250.99
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Solution
The fourth proportional to 860,405.63, 1,187,388.77 and 473,250.99 is: 653,102.32
Step by Step Solution
- Step 1: Write the proportion equation
860,405.63 : 1,187,388.77 = 473,250.99 : x - Step 2: Convert to fraction form
860,405.63/1,187,388.77 = 473,250.99/x - Step 3: Cross multiply
860,405.63x = 1,187,388.77 × 473,250.99 - Step 4: Simplify right side
860,405.63x = 561,932,909,142.69 - Step 5: Solve for x
x = 561,932,909,142.69/860,405.63 - Step 6: Final answer
x = 653,102.32
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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.