Finding the Fourth Proportional to 860,697.88, 1,288,553.68 and 648,360.06
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Solution
The fourth proportional to 860,697.88, 1,288,553.68 and 648,360.06 is: 970,662.02
Step by Step Solution
- Step 1: Write the proportion equation
860,697.88 : 1,288,553.68 = 648,360.06 : x - Step 2: Convert to fraction form
860,697.88/1,288,553.68 = 648,360.06/x - Step 3: Cross multiply
860,697.88x = 1,288,553.68 × 648,360.06 - Step 4: Simplify right side
860,697.88x = 835,446,741,278.02 - Step 5: Solve for x
x = 835,446,741,278.02/860,697.88 - Step 6: Final answer
x = 970,662.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.