Finding the Fourth Proportional to 842,248.26, 1,162,168.74 and 479,679.12
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Solution
The fourth proportional to 842,248.26, 1,162,168.74 and 479,679.12 is: 661,880.95
Step by Step Solution
- Step 1: Write the proportion equation
842,248.26 : 1,162,168.74 = 479,679.12 : x - Step 2: Convert to fraction form
842,248.26/1,162,168.74 = 479,679.12/x - Step 3: Cross multiply
842,248.26x = 1,162,168.74 × 479,679.12 - Step 4: Simplify right side
842,248.26x = 557,468,078,494.71 - Step 5: Solve for x
x = 557,468,078,494.71/842,248.26 - Step 6: Final answer
x = 661,880.95
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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.