Finding the Fourth Proportional to 668,749.80, 922,874.64 and 382,276.08
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Solution
The fourth proportional to 668,749.80, 922,874.64 and 382,276.08 is: 527,540.94
Step by Step Solution
- Step 1: Write the proportion equation
668,749.80 : 922,874.64 = 382,276.08 : x - Step 2: Convert to fraction form
668,749.80/922,874.64 = 382,276.08/x - Step 3: Cross multiply
668,749.80x = 922,874.64 × 382,276.08 - Step 4: Simplify right side
668,749.80x = 352,792,899,710.61 - Step 5: Solve for x
x = 352,792,899,710.61/668,749.80 - Step 6: Final answer
x = 527,540.94
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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.