Finding the Fourth Proportional to 487,624.68, 672,651.18 and 283,652.64
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Solution
The fourth proportional to 487,624.68, 672,651.18 and 283,652.64 is: 391,283.07
Step by Step Solution
- Step 1: Write the proportion equation
487,624.68 : 672,651.18 = 283,652.64 : x - Step 2: Convert to fraction form
487,624.68/672,651.18 = 283,652.64/x - Step 3: Cross multiply
487,624.68x = 672,651.18 × 283,652.64 - Step 4: Simplify right side
487,624.68x = 190,799,283,006.12 - Step 5: Solve for x
x = 190,799,283,006.12/487,624.68 - Step 6: Final answer
x = 391,283.07
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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.