Finding the Fourth Proportional to 860,445.92, 1,187,444.04 and 473,277.68
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Solution
The fourth proportional to 860,445.92, 1,187,444.04 and 473,277.68 is: 653,138.97
Step by Step Solution
- Step 1: Write the proportion equation
860,445.92 : 1,187,444.04 = 473,277.68 : x - Step 2: Convert to fraction form
860,445.92/1,187,444.04 = 473,277.68/x - Step 3: Cross multiply
860,445.92x = 1,187,444.04 × 473,277.68 - Step 4: Simplify right side
860,445.92x = 561,990,760,381.03 - Step 5: Solve for x
x = 561,990,760,381.03/860,445.92 - Step 6: Final answer
x = 653,138.97
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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.