Finding the Fourth Proportional to 487,592.94, 672,935.09 and 283,652.46
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Solution
The fourth proportional to 487,592.94, 672,935.09 and 283,652.46 is: 391,473.45
Step by Step Solution
- Step 1: Write the proportion equation
487,592.94 : 672,935.09 = 283,652.46 : x - Step 2: Convert to fraction form
487,592.94/672,935.09 = 283,652.46/x - Step 3: Cross multiply
487,592.94x = 672,935.09 × 283,652.46 - Step 4: Simplify right side
487,592.94x = 190,879,688,915.88 - Step 5: Solve for x
x = 190,879,688,915.88/487,592.94 - Step 6: Final answer
x = 391,473.45
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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.