Finding the Fourth Proportional to 834,316.05, 1,151,378.82 and 471,794.15
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Solution
The fourth proportional to 834,316.05, 1,151,378.82 and 471,794.15 is: 651,088.74
Step by Step Solution
- Step 1: Write the proportion equation
834,316.05 : 1,151,378.82 = 471,794.15 : x - Step 2: Convert to fraction form
834,316.05/1,151,378.82 = 471,794.15/x - Step 3: Cross multiply
834,316.05x = 1,151,378.82 × 471,794.15 - Step 4: Simplify right side
834,316.05x = 543,213,785,953.01 - Step 5: Solve for x
x = 543,213,785,953.01/834,316.05 - Step 6: Final answer
x = 651,088.74
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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.