Finding the Fourth Proportional to 517,497.36, 776,201.58 and 315,040.92
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Solution
The fourth proportional to 517,497.36, 776,201.58 and 315,040.92 is: 472,534.31
Step by Step Solution
- Step 1: Write the proportion equation
517,497.36 : 776,201.58 = 315,040.92 : x - Step 2: Convert to fraction form
517,497.36/776,201.58 = 315,040.92/x - Step 3: Cross multiply
517,497.36x = 776,201.58 × 315,040.92 - Step 4: Simplify right side
517,497.36x = 244,535,259,868.65 - Step 5: Solve for x
x = 244,535,259,868.65/517,497.36 - Step 6: Final answer
x = 472,534.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.