Finding the Fourth Proportional to 668,718.08, 922,830.84 and 382,244.33
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Solution
The fourth proportional to 668,718.08, 922,830.84 and 382,244.33 is: 527,497.12
Step by Step Solution
- Step 1: Write the proportion equation
668,718.08 : 922,830.84 = 382,244.33 : x - Step 2: Convert to fraction form
668,718.08/922,830.84 = 382,244.33/x - Step 3: Cross multiply
668,718.08x = 922,830.84 × 382,244.33 - Step 4: Simplify right side
668,718.08x = 352,746,858,446.21 - Step 5: Solve for x
x = 352,746,858,446.21/668,718.08 - Step 6: Final answer
x = 527,497.12
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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.