Finding the Fourth Proportional to 579,154.63, 867,771.82 and 409,836.01
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Solution
The fourth proportional to 579,154.63, 867,771.82 and 409,836.01 is: 614,074.59
Step by Step Solution
- Step 1: Write the proportion equation
579,154.63 : 867,771.82 = 409,836.01 : x - Step 2: Convert to fraction form
579,154.63/867,771.82 = 409,836.01/x - Step 3: Cross multiply
579,154.63x = 867,771.82 × 409,836.01 - Step 4: Simplify right side
579,154.63x = 355,644,140,299.24 - Step 5: Solve for x
x = 355,644,140,299.24/579,154.63 - Step 6: Final answer
x = 614,074.59
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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.