Finding the Fourth Proportional to 716,868.29, 1,075,305.25 and 290,412.18
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Solution
The fourth proportional to 716,868.29, 1,075,305.25 and 290,412.18 is: 435,619.41
Step by Step Solution
- Step 1: Write the proportion equation
716,868.29 : 1,075,305.25 = 290,412.18 : x - Step 2: Convert to fraction form
716,868.29/1,075,305.25 = 290,412.18/x - Step 3: Cross multiply
716,868.29x = 1,075,305.25 × 290,412.18 - Step 4: Simplify right side
716,868.29x = 312,281,741,817.95 - Step 5: Solve for x
x = 312,281,741,817.95/716,868.29 - Step 6: Final answer
x = 435,619.41
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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.