Finding the Fourth Proportional to 705,728.08, 1,058,056.44 and 363,803.05
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Solution
The fourth proportional to 705,728.08, 1,058,056.44 and 363,803.05 is: 545,428.43
Step by Step Solution
- Step 1: Write the proportion equation
705,728.08 : 1,058,056.44 = 363,803.05 : x - Step 2: Convert to fraction form
705,728.08/1,058,056.44 = 363,803.05/x - Step 3: Cross multiply
705,728.08x = 1,058,056.44 × 363,803.05 - Step 4: Simplify right side
705,728.08x = 384,924,159,944.14 - Step 5: Solve for x
x = 384,924,159,944.14/705,728.08 - Step 6: Final answer
x = 545,428.43
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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.