Finding the Fourth Proportional to 612,106.14, 844,785.32 and 343,885.98
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Solution
The fourth proportional to 612,106.14, 844,785.32 and 343,885.98 is: 474,606.95
Step by Step Solution
- Step 1: Write the proportion equation
612,106.14 : 844,785.32 = 343,885.98 : x - Step 2: Convert to fraction form
612,106.14/844,785.32 = 343,885.98/x - Step 3: Cross multiply
612,106.14x = 844,785.32 × 343,885.98 - Step 4: Simplify right side
612,106.14x = 290,509,827,657.81 - Step 5: Solve for x
x = 290,509,827,657.81/612,106.14 - Step 6: Final answer
x = 474,606.95
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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.