Finding the Fourth Proportional to 860,325.91, 1,187,188.04 and 473,168.18
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Solution
The fourth proportional to 860,325.91, 1,187,188.04 and 473,168.18 is: 652,938.15
Step by Step Solution
- Step 1: Write the proportion equation
860,325.91 : 1,187,188.04 = 473,168.18 : x - Step 2: Convert to fraction form
860,325.91/1,187,188.04 = 473,168.18/x - Step 3: Cross multiply
860,325.91x = 1,187,188.04 × 473,168.18 - Step 4: Simplify right side
860,325.91x = 561,739,608,355.46 - Step 5: Solve for x
x = 561,739,608,355.46/860,325.91 - Step 6: Final answer
x = 652,938.15
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1.5x scale
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.