Finding the Fourth Proportional to 791,250.29, 1,185,448.42 and 487,115.14
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Solution
The fourth proportional to 791,250.29, 1,185,448.42 and 487,115.14 is: 729,794.20
Step by Step Solution
- Step 1: Write the proportion equation
791,250.29 : 1,185,448.42 = 487,115.14 : x - Step 2: Convert to fraction form
791,250.29/1,185,448.42 = 487,115.14/x - Step 3: Cross multiply
791,250.29x = 1,185,448.42 × 487,115.14 - Step 4: Simplify right side
791,250.29x = 577,449,873,852.41 - Step 5: Solve for x
x = 577,449,873,852.41/791,250.29 - Step 6: Final answer
x = 729,794.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.