Finding the Fourth Proportional to 647,964.17, 894,190.94 and 361,484.26
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Solution
The fourth proportional to 647,964.17, 894,190.94 and 361,484.26 is: 498,848.49
Step by Step Solution
- Step 1: Write the proportion equation
647,964.17 : 894,190.94 = 361,484.26 : x - Step 2: Convert to fraction form
647,964.17/894,190.94 = 361,484.26/x - Step 3: Cross multiply
647,964.17x = 894,190.94 × 361,484.26 - Step 4: Simplify right side
647,964.17x = 323,235,950,244.60 - Step 5: Solve for x
x = 323,235,950,244.60/647,964.17 - Step 6: Final answer
x = 498,848.49
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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.