Finding the Fourth Proportional to 757,463.78, 1,045,678.81 and 471,076.14
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Solution
The fourth proportional to 757,463.78, 1,045,678.81 and 471,076.14 is: 650,320.65
Step by Step Solution
- Step 1: Write the proportion equation
757,463.78 : 1,045,678.81 = 471,076.14 : x - Step 2: Convert to fraction form
757,463.78/1,045,678.81 = 471,076.14/x - Step 3: Cross multiply
757,463.78x = 1,045,678.81 × 471,076.14 - Step 4: Simplify right side
757,463.78x = 492,594,337,494.59 - Step 5: Solve for x
x = 492,594,337,494.59/757,463.78 - Step 6: Final answer
x = 650,320.65
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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.