Finding the Fourth Proportional to 839,730.24, 1,158,785.82 and 477,106.20
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Solution
The fourth proportional to 839,730.24, 1,158,785.82 and 477,106.20 is: 658,382.74
Step by Step Solution
- Step 1: Write the proportion equation
839,730.24 : 1,158,785.82 = 477,106.20 : x - Step 2: Convert to fraction form
839,730.24/1,158,785.82 = 477,106.20/x - Step 3: Cross multiply
839,730.24x = 1,158,785.82 × 477,106.20 - Step 4: Simplify right side
839,730.24x = 552,863,899,194.08 - Step 5: Solve for x
x = 552,863,899,194.08/839,730.24 - Step 6: Final answer
x = 658,382.74
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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.