Finding the Fourth Proportional to 695,852.52, 960,276.42 and 394,104.84
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Solution
The fourth proportional to 695,852.52, 960,276.42 and 394,104.84 is: 543,864.65
Step by Step Solution
- Step 1: Write the proportion equation
695,852.52 : 960,276.42 = 394,104.84 : x - Step 2: Convert to fraction form
695,852.52/960,276.42 = 394,104.84/x - Step 3: Cross multiply
695,852.52x = 960,276.42 × 394,104.84 - Step 4: Simplify right side
695,852.52x = 378,449,584,859.87 - Step 5: Solve for x
x = 378,449,584,859.87/695,852.52 - Step 6: Final answer
x = 543,864.65
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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.