Finding the Fourth Proportional to 860,149.84, 1,187,047.30 and 478,183
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Solution
The fourth proportional to 860,149.84, 1,187,047.30 and 478,183 is: 659,915.07
Step by Step Solution
- Step 1: Write the proportion equation
860,149.84 : 1,187,047.30 = 478,183 : x - Step 2: Convert to fraction form
860,149.84/1,187,047.30 = 478,183/x - Step 3: Cross multiply
860,149.84x = 1,187,047.30 × 478,183 - Step 4: Simplify right side
860,149.84x = 567,625,839,055.90 - Step 5: Solve for x
x = 567,625,839,055.90/860,149.84 - Step 6: Final answer
x = 659,915.07
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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.