Finding the Fourth Proportional to 445,438.63, 665,711.21 and 325,746.87
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Solution
The fourth proportional to 445,438.63, 665,711.21 and 325,746.87 is: 486,831.02
Step by Step Solution
- Step 1: Write the proportion equation
445,438.63 : 665,711.21 = 325,746.87 : x - Step 2: Convert to fraction form
445,438.63/665,711.21 = 325,746.87/x - Step 3: Cross multiply
445,438.63x = 665,711.21 × 325,746.87 - Step 4: Simplify right side
445,438.63x = 216,853,342,981.41 - Step 5: Solve for x
x = 216,853,342,981.41/445,438.63 - Step 6: Final answer
x = 486,831.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.