Finding the Fourth Proportional to 515,024.19, 710,734.92 and 285,597.63
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Solution
The fourth proportional to 515,024.19, 710,734.92 and 285,597.63 is: 394,125.58
Step by Step Solution
- Step 1: Write the proportion equation
515,024.19 : 710,734.92 = 285,597.63 : x - Step 2: Convert to fraction form
515,024.19/710,734.92 = 285,597.63/x - Step 3: Cross multiply
515,024.19x = 710,734.92 × 285,597.63 - Step 4: Simplify right side
515,024.19x = 202,984,208,710.24 - Step 5: Solve for x
x = 202,984,208,710.24/515,024.19 - Step 6: Final answer
x = 394,125.58
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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.