Finding the Fourth Proportional to 640,393.41, 883,718.26 and 368,548.63
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Solution
The fourth proportional to 640,393.41, 883,718.26 and 368,548.63 is: 508,582.93
Step by Step Solution
- Step 1: Write the proportion equation
640,393.41 : 883,718.26 = 368,548.63 : x - Step 2: Convert to fraction form
640,393.41/883,718.26 = 368,548.63/x - Step 3: Cross multiply
640,393.41x = 883,718.26 × 368,548.63 - Step 4: Simplify right side
640,393.41x = 325,693,154,028.98 - Step 5: Solve for x
x = 325,693,154,028.98/640,393.41 - Step 6: Final answer
x = 508,582.93
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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.