Finding the Fourth Proportional to 487,304.84, 672,563.76 and 283,473.92
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Solution
The fourth proportional to 487,304.84, 672,563.76 and 283,473.92 is: 391,242.34
Step by Step Solution
- Step 1: Write the proportion equation
487,304.84 : 672,563.76 = 283,473.92 : x - Step 2: Convert to fraction form
487,304.84/672,563.76 = 283,473.92/x - Step 3: Cross multiply
487,304.84x = 672,563.76 × 283,473.92 - Step 4: Simplify right side
487,304.84x = 190,654,285,497.14 - Step 5: Solve for x
x = 190,654,285,497.14/487,304.84 - Step 6: Final answer
x = 391,242.34
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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.