Finding the Fourth Proportional to 716,976.46, 1,075,459.90 and 290,505.99
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Solution
The fourth proportional to 716,976.46, 1,075,459.90 and 290,505.99 is: 435,757.05
Step by Step Solution
- Step 1: Write the proportion equation
716,976.46 : 1,075,459.90 = 290,505.99 : x - Step 2: Convert to fraction form
716,976.46/1,075,459.90 = 290,505.99/x - Step 3: Cross multiply
716,976.46x = 1,075,459.90 × 290,505.99 - Step 4: Simplify right side
716,976.46x = 312,427,545,580.65 - Step 5: Solve for x
x = 312,427,545,580.65/716,976.46 - Step 6: Final answer
x = 435,757.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.