Finding the Fourth Proportional to 648,355.42, 894,694.06 and 361,893.95
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Solution
The fourth proportional to 648,355.42, 894,694.06 and 361,893.95 is: 499,393.32
Step by Step Solution
- Step 1: Write the proportion equation
648,355.42 : 894,694.06 = 361,893.95 : x - Step 2: Convert to fraction form
648,355.42/894,694.06 = 361,893.95/x - Step 3: Cross multiply
648,355.42x = 894,694.06 × 361,893.95 - Step 4: Simplify right side
648,355.42x = 323,784,367,414.94 - Step 5: Solve for x
x = 323,784,367,414.94/648,355.42 - Step 6: Final answer
x = 499,393.32
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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.