Finding the Fourth Proportional to 860,353.62, 1,187,262.88 and 473,168.63
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Solution
The fourth proportional to 860,353.62, 1,187,262.88 and 473,168.63 is: 652,958.90
Step by Step Solution
- Step 1: Write the proportion equation
860,353.62 : 1,187,262.88 = 473,168.63 : x - Step 2: Convert to fraction form
860,353.62/1,187,262.88 = 473,168.63/x - Step 3: Cross multiply
860,353.62x = 1,187,262.88 × 473,168.63 - Step 4: Simplify right side
860,353.62x = 561,775,548,013.61 - Step 5: Solve for x
x = 561,775,548,013.61/860,353.62 - Step 6: Final answer
x = 652,958.90
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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.