Finding the Fourth Proportional to 647,973.19, 894,201.69 and 361,476.19
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Solution
The fourth proportional to 647,973.19, 894,201.69 and 361,476.19 is: 498,836.41
Step by Step Solution
- Step 1: Write the proportion equation
647,973.19 : 894,201.69 = 361,476.19 : x - Step 2: Convert to fraction form
647,973.19/894,201.69 = 361,476.19/x - Step 3: Cross multiply
647,973.19x = 894,201.69 × 361,476.19 - Step 4: Simplify right side
647,973.19x = 323,232,619,992.76 - Step 5: Solve for x
x = 323,232,619,992.76/647,973.19 - Step 6: Final answer
x = 498,836.41
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1.5x scale
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.