Finding the Fourth Proportional to 502,707.23, 694,070.00 and 386,213.18
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Solution
The fourth proportional to 502,707.23, 694,070.00 and 386,213.18 is: 533,230.80
Step by Step Solution
- Step 1: Write the proportion equation
502,707.23 : 694,070.00 = 386,213.18 : x - Step 2: Convert to fraction form
502,707.23/694,070.00 = 386,213.18/x - Step 3: Cross multiply
502,707.23x = 694,070.00 × 386,213.18 - Step 4: Simplify right side
502,707.23x = 268,058,976,441.18 - Step 5: Solve for x
x = 268,058,976,441.18/502,707.23 - Step 6: Final answer
x = 533,230.80
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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.