Finding the Fourth Proportional to 724,533.08, 1,086,450.06 and 303,695.96
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Solution
The fourth proportional to 724,533.08, 1,086,450.06 and 303,695.96 is: 455,397.42
Step by Step Solution
- Step 1: Write the proportion equation
724,533.08 : 1,086,450.06 = 303,695.96 : x - Step 2: Convert to fraction form
724,533.08/1,086,450.06 = 303,695.96/x - Step 3: Cross multiply
724,533.08x = 1,086,450.06 × 303,695.96 - Step 4: Simplify right side
724,533.08x = 329,950,493,963.76 - Step 5: Solve for x
x = 329,950,493,963.76/724,533.08 - Step 6: Final answer
x = 455,397.42
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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.