Finding the Fourth Proportional to 629,253.36, 868,328.71 and 371,071.09
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Solution
The fourth proportional to 629,253.36, 868,328.71 and 371,071.09 is: 512,053.96
Step by Step Solution
- Step 1: Write the proportion equation
629,253.36 : 868,328.71 = 371,071.09 : x - Step 2: Convert to fraction form
629,253.36/868,328.71 = 371,071.09/x - Step 3: Cross multiply
629,253.36x = 868,328.71 × 371,071.09 - Step 4: Simplify right side
629,253.36x = 322,211,674,701.00 - Step 5: Solve for x
x = 322,211,674,701.00/629,253.36 - Step 6: Final answer
x = 512,053.96
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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.