Finding the Fourth Proportional to 577,433.71, 796,863.68 and 319,328.03
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Solution
The fourth proportional to 577,433.71, 796,863.68 and 319,328.03 is: 440,675.53
Step by Step Solution
- Step 1: Write the proportion equation
577,433.71 : 796,863.68 = 319,328.03 : x - Step 2: Convert to fraction form
577,433.71/796,863.68 = 319,328.03/x - Step 3: Cross multiply
577,433.71x = 796,863.68 × 319,328.03 - Step 4: Simplify right side
577,433.71x = 254,460,906,223.59 - Step 5: Solve for x
x = 254,460,906,223.59/577,433.71 - Step 6: Final answer
x = 440,675.53
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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.