Finding the Fourth Proportional to 822,882.95, 1,135,806.73 and 478,785.35
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Solution
The fourth proportional to 822,882.95, 1,135,806.73 and 478,785.35 is: 660,856.59
Step by Step Solution
- Step 1: Write the proportion equation
822,882.95 : 1,135,806.73 = 478,785.35 : x - Step 2: Convert to fraction form
822,882.95/1,135,806.73 = 478,785.35/x - Step 3: Cross multiply
822,882.95x = 1,135,806.73 × 478,785.35 - Step 4: Simplify right side
822,882.95x = 543,807,620,702.21 - Step 5: Solve for x
x = 543,807,620,702.21/822,882.95 - Step 6: Final answer
x = 660,856.59
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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.