Finding the Fourth Proportional to 622,429.12, 933,643.68 and 497,183.68
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Solution
The fourth proportional to 622,429.12, 933,643.68 and 497,183.68 is: 745,775.52
Step by Step Solution
- Step 1: Write the proportion equation
622,429.12 : 933,643.68 = 497,183.68 : x - Step 2: Convert to fraction form
622,429.12/933,643.68 = 497,183.68/x - Step 3: Cross multiply
622,429.12x = 933,643.68 × 497,183.68 - Step 4: Simplify right side
622,429.12x = 464,192,400,631.14 - Step 5: Solve for x
x = 464,192,400,631.14/622,429.12 - Step 6: Final answer
x = 745,775.52
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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.