Finding the Fourth Proportional to 860,185.61, 1,187,131.70 and 473,069.18
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Solution
The fourth proportional to 860,185.61, 1,187,131.70 and 473,069.18 is: 652,877.02
Step by Step Solution
- Step 1: Write the proportion equation
860,185.61 : 1,187,131.70 = 473,069.18 : x - Step 2: Convert to fraction form
860,185.61/1,187,131.70 = 473,069.18/x - Step 3: Cross multiply
860,185.61x = 1,187,131.70 × 473,069.18 - Step 4: Simplify right side
860,185.61x = 561,595,419,871.01 - Step 5: Solve for x
x = 561,595,419,871.01/860,185.61 - Step 6: Final answer
x = 652,877.02
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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.