Finding the Fourth Proportional to 775,131.98, 1,069,694.57 and 426,286.18
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Solution
The fourth proportional to 775,131.98, 1,069,694.57 and 426,286.18 is: 588,281.76
Step by Step Solution
- Step 1: Write the proportion equation
775,131.98 : 1,069,694.57 = 426,286.18 : x - Step 2: Convert to fraction form
775,131.98/1,069,694.57 = 426,286.18/x - Step 3: Cross multiply
775,131.98x = 1,069,694.57 × 426,286.18 - Step 4: Simplify right side
775,131.98x = 455,996,006,663.57 - Step 5: Solve for x
x = 455,996,006,663.57/775,131.98 - Step 6: Final answer
x = 588,281.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.