Finding the Fourth Proportional to 717,183.99, 1,075,037.87 and 318,012.75
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Solution
The fourth proportional to 717,183.99, 1,075,037.87 and 318,012.75 is: 476,691.83
Step by Step Solution
- Step 1: Write the proportion equation
717,183.99 : 1,075,037.87 = 318,012.75 : x - Step 2: Convert to fraction form
717,183.99/1,075,037.87 = 318,012.75/x - Step 3: Cross multiply
717,183.99x = 1,075,037.87 × 318,012.75 - Step 4: Simplify right side
717,183.99x = 341,875,750,187.87 - Step 5: Solve for x
x = 341,875,750,187.87/717,183.99 - Step 6: Final answer
x = 476,691.83
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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.