Finding the Fourth Proportional to 821,156.93, 1,133,292.17 and 683,091.96
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Solution
The fourth proportional to 821,156.93, 1,133,292.17 and 683,091.96 is: 942,746.44
Step by Step Solution
- Step 1: Write the proportion equation
821,156.93 : 1,133,292.17 = 683,091.96 : x - Step 2: Convert to fraction form
821,156.93/1,133,292.17 = 683,091.96/x - Step 3: Cross multiply
821,156.93x = 1,133,292.17 × 683,091.96 - Step 4: Simplify right side
821,156.93x = 774,142,769,657.95 - Step 5: Solve for x
x = 774,142,769,657.95/821,156.93 - Step 6: Final answer
x = 942,746.44
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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.