Finding the Fourth Proportional to 629,485.84, 868,663.26 and 357,552.88
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Solution
The fourth proportional to 629,485.84, 868,663.26 and 357,552.88 is: 493,407.53
Step by Step Solution
- Step 1: Write the proportion equation
629,485.84 : 868,663.26 = 357,552.88 : x - Step 2: Convert to fraction form
629,485.84/868,663.26 = 357,552.88/x - Step 3: Cross multiply
629,485.84x = 868,663.26 × 357,552.88 - Step 4: Simplify right side
629,485.84x = 310,593,050,363.19 - Step 5: Solve for x
x = 310,593,050,363.19/629,485.84 - Step 6: Final answer
x = 493,407.53
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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.