Finding the Fourth Proportional to 887,911.20, 1,330,554.60 and 754,066.80
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Solution
The fourth proportional to 887,911.20, 1,330,554.60 and 754,066.80 is: 1,129,985.80
Step by Step Solution
- Step 1: Write the proportion equation
887,911.20 : 1,330,554.60 = 754,066.80 : x - Step 2: Convert to fraction form
887,911.20/1,330,554.60 = 754,066.80/x - Step 3: Cross multiply
887,911.20x = 1,330,554.60 × 754,066.80 - Step 4: Simplify right side
887,911.20x = 1,003,327,049,447.28 - Step 5: Solve for x
x = 1,003,327,049,447.28/887,911.20 - Step 6: Final answer
x = 1,129,985.80
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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.