Finding the Fourth Proportional to 563,532.91, 777,755.16 and 348,742.15
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Solution
The fourth proportional to 563,532.91, 777,755.16 and 348,742.15 is: 481,313.52
Step by Step Solution
- Step 1: Write the proportion equation
563,532.91 : 777,755.16 = 348,742.15 : x - Step 2: Convert to fraction form
563,532.91/777,755.16 = 348,742.15/x - Step 3: Cross multiply
563,532.91x = 777,755.16 × 348,742.15 - Step 4: Simplify right side
563,532.91x = 271,236,006,671.99 - Step 5: Solve for x
x = 271,236,006,671.99/563,532.91 - Step 6: Final answer
x = 481,313.52
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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.