Finding the Fourth Proportional to 557,937.08, 769,988.94 and 312,944.84
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Solution
The fourth proportional to 557,937.08, 769,988.94 and 312,944.84 is: 431,883.94
Step by Step Solution
- Step 1: Write the proportion equation
557,937.08 : 769,988.94 = 312,944.84 : x - Step 2: Convert to fraction form
557,937.08/769,988.94 = 312,944.84/x - Step 3: Cross multiply
557,937.08x = 769,988.94 × 312,944.84 - Step 4: Simplify right side
557,937.08x = 240,964,065,630.07 - Step 5: Solve for x
x = 240,964,065,630.07/557,937.08 - Step 6: Final answer
x = 431,883.94
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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.