Finding the Fourth Proportional to 814,557.76, 1,124,072.49 and 451,973.68
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Solution
The fourth proportional to 814,557.76, 1,124,072.49 and 451,973.68 is: 623,714.12
Step by Step Solution
- Step 1: Write the proportion equation
814,557.76 : 1,124,072.49 = 451,973.68 : x - Step 2: Convert to fraction form
814,557.76/1,124,072.49 = 451,973.68/x - Step 3: Cross multiply
814,557.76x = 1,124,072.49 × 451,973.68 - Step 4: Simplify right side
814,557.76x = 508,051,179,892.06 - Step 5: Solve for x
x = 508,051,179,892.06/814,557.76 - Step 6: Final answer
x = 623,714.12
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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.