Finding the Fourth Proportional to 584,739.13, 806,940.45 and 316,467.13
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Solution
The fourth proportional to 584,739.13, 806,940.45 and 316,467.13 is: 436,724.88
Step by Step Solution
- Step 1: Write the proportion equation
584,739.13 : 806,940.45 = 316,467.13 : x - Step 2: Convert to fraction form
584,739.13/806,940.45 = 316,467.13/x - Step 3: Cross multiply
584,739.13x = 806,940.45 × 316,467.13 - Step 4: Simplify right side
584,739.13x = 255,370,128,292.41 - Step 5: Solve for x
x = 255,370,128,292.41/584,739.13 - Step 6: Final answer
x = 436,724.88
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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.