Finding the Fourth Proportional to 834,835.05, 1,152,072.74 and 472,251.18
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Solution
The fourth proportional to 834,835.05, 1,152,072.74 and 472,251.18 is: 651,706.83
Step by Step Solution
- Step 1: Write the proportion equation
834,835.05 : 1,152,072.74 = 472,251.18 : x - Step 2: Convert to fraction form
834,835.05/1,152,072.74 = 472,251.18/x - Step 3: Cross multiply
834,835.05x = 1,152,072.74 × 472,251.18 - Step 4: Simplify right side
834,835.05x = 544,067,702,789.21 - Step 5: Solve for x
x = 544,067,702,789.21/834,835.05 - Step 6: Final answer
x = 651,706.83
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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.