Finding the Fourth Proportional to 792,455.08, 1,186,583.05 and 417,690.76
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Solution
The fourth proportional to 792,455.08, 1,186,583.05 and 417,690.76 is: 625,429.49
Step by Step Solution
- Step 1: Write the proportion equation
792,455.08 : 1,186,583.05 = 417,690.76 : x - Step 2: Convert to fraction form
792,455.08/1,186,583.05 = 417,690.76/x - Step 3: Cross multiply
792,455.08x = 1,186,583.05 × 417,690.76 - Step 4: Simplify right side
792,455.08x = 495,624,775,957.62 - Step 5: Solve for x
x = 495,624,775,957.62/792,455.08 - Step 6: Final answer
x = 625,429.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.