Finding the Fourth Proportional to 647,845.46, 894,028.05 and 361,358.18
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Solution
The fourth proportional to 647,845.46, 894,028.05 and 361,358.18 is: 498,675.02
Step by Step Solution
- Step 1: Write the proportion equation
647,845.46 : 894,028.05 = 361,358.18 : x - Step 2: Convert to fraction form
647,845.46/894,028.05 = 361,358.18/x - Step 3: Cross multiply
647,845.46x = 894,028.05 × 361,358.18 - Step 4: Simplify right side
647,845.46x = 323,064,349,016.95 - Step 5: Solve for x
x = 323,064,349,016.95/647,845.46 - Step 6: Final answer
x = 498,675.02
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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.