Finding the Fourth Proportional to 828,176.80, 1,243,577.40 and 605,102.80
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Solution
The fourth proportional to 828,176.80, 1,243,577.40 and 605,102.80 is: 908,612.95
Step by Step Solution
- Step 1: Write the proportion equation
828,176.80 : 1,243,577.40 = 605,102.80 : x - Step 2: Convert to fraction form
828,176.80/1,243,577.40 = 605,102.80/x - Step 3: Cross multiply
828,176.80x = 1,243,577.40 × 605,102.80 - Step 4: Simplify right side
828,176.80x = 752,492,166,756.72 - Step 5: Solve for x
x = 752,492,166,756.72/828,176.80 - Step 6: Final answer
x = 908,612.95
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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.