Finding the Fourth Proportional to 665,490.08, 918,374.28 and 363,684.08
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Solution
The fourth proportional to 665,490.08, 918,374.28 and 363,684.08 is: 501,882.92
Step by Step Solution
- Step 1: Write the proportion equation
665,490.08 : 918,374.28 = 363,684.08 : x - Step 2: Convert to fraction form
665,490.08/918,374.28 = 363,684.08/x - Step 3: Cross multiply
665,490.08x = 918,374.28 × 363,684.08 - Step 4: Simplify right side
665,490.08x = 333,998,105,117.46 - Step 5: Solve for x
x = 333,998,105,117.46/665,490.08 - Step 6: Final answer
x = 501,882.92
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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.