Finding the Fourth Proportional to 857,931.21, 1,183,945.05 and 475,960.73
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Solution
The fourth proportional to 857,931.21, 1,183,945.05 and 475,960.73 is: 656,825.79
Step by Step Solution
- Step 1: Write the proportion equation
857,931.21 : 1,183,945.05 = 475,960.73 : x - Step 2: Convert to fraction form
857,931.21/1,183,945.05 = 475,960.73/x - Step 3: Cross multiply
857,931.21x = 1,183,945.05 × 475,960.73 - Step 4: Simplify right side
857,931.21x = 563,511,344,358.16 - Step 5: Solve for x
x = 563,511,344,358.16/857,931.21 - Step 6: Final answer
x = 656,825.79
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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.