Finding the Fourth Proportional to 920,951.18, 1,270,893.48 and 513,052.46
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Solution
The fourth proportional to 920,951.18, 1,270,893.48 and 513,052.46 is: 708,001.73
Step by Step Solution
- Step 1: Write the proportion equation
920,951.18 : 1,270,893.48 = 513,052.46 : x - Step 2: Convert to fraction form
920,951.18/1,270,893.48 = 513,052.46/x - Step 3: Cross multiply
920,951.18x = 1,270,893.48 × 513,052.46 - Step 4: Simplify right side
920,951.18x = 652,035,026,311.96 - Step 5: Solve for x
x = 652,035,026,311.96/920,951.18 - Step 6: Final answer
x = 708,001.73
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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.