Finding the Fourth Proportional to 648,212.30, 894,425.99 and 361,731.70
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Solution
The fourth proportional to 648,212.30, 894,425.99 and 361,731.70 is: 499,130.04
Step by Step Solution
- Step 1: Write the proportion equation
648,212.30 : 894,425.99 = 361,731.70 : x - Step 2: Convert to fraction form
648,212.30/894,425.99 = 361,731.70/x - Step 3: Cross multiply
648,212.30x = 894,425.99 × 361,731.70 - Step 4: Simplify right side
648,212.30x = 323,542,233,886.88 - Step 5: Solve for x
x = 323,542,233,886.88/648,212.30 - Step 6: Final answer
x = 499,130.04
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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.