Finding the Fourth Proportional to 860,842.58, 1,187,991.22 and 473,702.26
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Solution
The fourth proportional to 860,842.58, 1,187,991.22 and 473,702.26 is: 653,724.78
Step by Step Solution
- Step 1: Write the proportion equation
860,842.58 : 1,187,991.22 = 473,702.26 : x - Step 2: Convert to fraction form
860,842.58/1,187,991.22 = 473,702.26/x - Step 3: Cross multiply
860,842.58x = 1,187,991.22 × 473,702.26 - Step 4: Simplify right side
860,842.58x = 562,754,125,774.16 - Step 5: Solve for x
x = 562,754,125,774.16/860,842.58 - Step 6: Final answer
x = 653,724.78
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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.