Finding the Fourth Proportional to 564,745.68, 779,419.26 and 322,994.70
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Solution
The fourth proportional to 564,745.68, 779,419.26 and 322,994.70 is: 445,772.85
Step by Step Solution
- Step 1: Write the proportion equation
564,745.68 : 779,419.26 = 322,994.70 : x - Step 2: Convert to fraction form
564,745.68/779,419.26 = 322,994.70/x - Step 3: Cross multiply
564,745.68x = 779,419.26 × 322,994.70 - Step 4: Simplify right side
564,745.68x = 251,748,290,057.92 - Step 5: Solve for x
x = 251,748,290,057.92/564,745.68 - Step 6: Final answer
x = 445,772.85
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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.