Finding the Fourth Proportional to 820,854.64, 1,232,038.85 and 416,330.75
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Solution
The fourth proportional to 820,854.64, 1,232,038.85 and 416,330.75 is: 624,880.02
Step by Step Solution
- Step 1: Write the proportion equation
820,854.64 : 1,232,038.85 = 416,330.75 : x - Step 2: Convert to fraction form
820,854.64/1,232,038.85 = 416,330.75/x - Step 3: Cross multiply
820,854.64x = 1,232,038.85 × 416,330.75 - Step 4: Simplify right side
820,854.64x = 512,935,659,448.08 - Step 5: Solve for x
x = 512,935,659,448.08/820,854.64 - Step 6: Final answer
x = 624,880.02
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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.