Finding the Fourth Proportional to 553,640.68, 764,024.12 and 298,991.84
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Solution
The fourth proportional to 553,640.68, 764,024.12 and 298,991.84 is: 412,608.73
Step by Step Solution
- Step 1: Write the proportion equation
553,640.68 : 764,024.12 = 298,991.84 : x - Step 2: Convert to fraction form
553,640.68/764,024.12 = 298,991.84/x - Step 3: Cross multiply
553,640.68x = 764,024.12 × 298,991.84 - Step 4: Simplify right side
553,640.68x = 228,436,977,443.18 - Step 5: Solve for x
x = 228,436,977,443.18/553,640.68 - Step 6: Final answer
x = 412,608.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.