Finding the Fourth Proportional to 702,436.68, 969,362.55 and 380,146.84
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Solution
The fourth proportional to 702,436.68, 969,362.55 and 380,146.84 is: 524,602.60
Step by Step Solution
- Step 1: Write the proportion equation
702,436.68 : 969,362.55 = 380,146.84 : x - Step 2: Convert to fraction form
702,436.68/969,362.55 = 380,146.84/x - Step 3: Cross multiply
702,436.68x = 969,362.55 × 380,146.84 - Step 4: Simplify right side
702,436.68x = 368,500,110,196.84 - Step 5: Solve for x
x = 368,500,110,196.84/702,436.68 - Step 6: Final answer
x = 524,602.60
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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.