Finding the Fourth Proportional to 702,435.08, 969,362.88 and 380,145.08
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Solution
The fourth proportional to 702,435.08, 969,362.88 and 380,145.08 is: 524,601.55
Step by Step Solution
- Step 1: Write the proportion equation
702,435.08 : 969,362.88 = 380,145.08 : x - Step 2: Convert to fraction form
702,435.08/969,362.88 = 380,145.08/x - Step 3: Cross multiply
702,435.08x = 969,362.88 × 380,145.08 - Step 4: Simplify right side
702,435.08x = 368,498,529,566.63 - Step 5: Solve for x
x = 368,498,529,566.63/702,435.08 - Step 6: Final answer
x = 524,601.55
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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.