Finding the Fourth Proportional to 668,786.05, 922,924.68 and 382,312.54
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Solution
The fourth proportional to 668,786.05, 922,924.68 and 382,312.54 is: 527,591.27
Step by Step Solution
- Step 1: Write the proportion equation
668,786.05 : 922,924.68 = 382,312.54 : x - Step 2: Convert to fraction form
668,786.05/922,924.68 = 382,312.54/x - Step 3: Cross multiply
668,786.05x = 922,924.68 × 382,312.54 - Step 4: Simplify right side
668,786.05x = 352,845,678,639.49 - Step 5: Solve for x
x = 352,845,678,639.49/668,786.05 - Step 6: Final answer
x = 527,591.27
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1.5x scale
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.