Finding the Fourth Proportional to 788,839.14, 1,088,597.84 and 426,262.98
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Solution
The fourth proportional to 788,839.14, 1,088,597.84 and 426,262.98 is: 588,242.82
Step by Step Solution
- Step 1: Write the proportion equation
788,839.14 : 1,088,597.84 = 426,262.98 : x - Step 2: Convert to fraction form
788,839.14/1,088,597.84 = 426,262.98/x - Step 3: Cross multiply
788,839.14x = 1,088,597.84 × 426,262.98 - Step 4: Simplify right side
788,839.14x = 464,028,959,299.96 - Step 5: Solve for x
x = 464,028,959,299.96/788,839.14 - Step 6: Final answer
x = 588,242.82
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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.