Finding the Fourth Proportional to 887,328.72, 1,330,847.28 and 318,592.08
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Solution
The fourth proportional to 887,328.72, 1,330,847.28 and 318,592.08 is: 477,835.77
Step by Step Solution
- Step 1: Write the proportion equation
887,328.72 : 1,330,847.28 = 318,592.08 : x - Step 2: Convert to fraction form
887,328.72/1,330,847.28 = 318,592.08/x - Step 3: Cross multiply
887,328.72x = 1,330,847.28 × 318,592.08 - Step 4: Simplify right side
887,328.72x = 423,997,403,097.54 - Step 5: Solve for x
x = 423,997,403,097.54/887,328.72 - Step 6: Final answer
x = 477,835.77
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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.