Finding the Fourth Proportional to 552,329.84, 762,207.92 and 310,612.34
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Solution
The fourth proportional to 552,329.84, 762,207.92 and 310,612.34 is: 428,640.95
Step by Step Solution
- Step 1: Write the proportion equation
552,329.84 : 762,207.92 = 310,612.34 : x - Step 2: Convert to fraction form
552,329.84/762,207.92 = 310,612.34/x - Step 3: Cross multiply
552,329.84x = 762,207.92 × 310,612.34 - Step 4: Simplify right side
552,329.84x = 236,751,185,597.73 - Step 5: Solve for x
x = 236,751,185,597.73/552,329.84 - Step 6: Final answer
x = 428,640.95
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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.