Finding the Fourth Proportional to 668,745.52, 922,933.65 and 382,210.99
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Solution
The fourth proportional to 668,745.52, 922,933.65 and 382,210.99 is: 527,488.22
Step by Step Solution
- Step 1: Write the proportion equation
668,745.52 : 922,933.65 = 382,210.99 : x - Step 2: Convert to fraction form
668,745.52/922,933.65 = 382,210.99/x - Step 3: Cross multiply
668,745.52x = 922,933.65 × 382,210.99 - Step 4: Simplify right side
668,745.52x = 352,755,384,070.81 - Step 5: Solve for x
x = 352,755,384,070.81/668,745.52 - Step 6: Final answer
x = 527,488.22
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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.