Finding the Fourth Proportional to 591,203.75, 815,864.43 and 322,931.75
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Solution
The fourth proportional to 591,203.75, 815,864.43 and 322,931.75 is: 445,647.59
Step by Step Solution
- Step 1: Write the proportion equation
591,203.75 : 815,864.43 = 322,931.75 : x - Step 2: Convert to fraction form
591,203.75/815,864.43 = 322,931.75/x - Step 3: Cross multiply
591,203.75x = 815,864.43 × 322,931.75 - Step 4: Simplify right side
591,203.75x = 263,468,528,142.65 - Step 5: Solve for x
x = 263,468,528,142.65/591,203.75 - Step 6: Final answer
x = 445,647.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.