Finding the Fourth Proportional to 920,944.08, 1,381,602.95 and 289,711.08
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Solution
The fourth proportional to 920,944.08, 1,381,602.95 and 289,711.08 is: 434,625.39
Step by Step Solution
- Step 1: Write the proportion equation
920,944.08 : 1,381,602.95 = 289,711.08 : x - Step 2: Convert to fraction form
920,944.08/1,381,602.95 = 289,711.08/x - Step 3: Cross multiply
920,944.08x = 1,381,602.95 × 289,711.08 - Step 4: Simplify right side
920,944.08x = 400,265,681,327.13 - Step 5: Solve for x
x = 400,265,681,327.13/920,944.08 - Step 6: Final answer
x = 434,625.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.