Finding the Fourth Proportional to 756,405.92, 1,043,838.06 and 416,874.08
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Solution
The fourth proportional to 756,405.92, 1,043,838.06 and 416,874.08 is: 575,285.07
Step by Step Solution
- Step 1: Write the proportion equation
756,405.92 : 1,043,838.06 = 416,874.08 : x - Step 2: Convert to fraction form
756,405.92/1,043,838.06 = 416,874.08/x - Step 3: Cross multiply
756,405.92x = 1,043,838.06 × 416,874.08 - Step 4: Simplify right side
756,405.92x = 435,149,030,931.49 - Step 5: Solve for x
x = 435,149,030,931.49/756,405.92 - Step 6: Final answer
x = 575,285.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.