Finding the Fourth Proportional to 757,316.36, 1,045,079.70 and 417,784.52
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Solution
The fourth proportional to 757,316.36, 1,045,079.70 and 417,784.52 is: 576,533.33
Step by Step Solution
- Step 1: Write the proportion equation
757,316.36 : 1,045,079.70 = 417,784.52 : x - Step 2: Convert to fraction form
757,316.36/1,045,079.70 = 417,784.52/x - Step 3: Cross multiply
757,316.36x = 1,045,079.70 × 417,784.52 - Step 4: Simplify right side
757,316.36x = 436,618,120,826.24 - Step 5: Solve for x
x = 436,618,120,826.24/757,316.36 - Step 6: Final answer
x = 576,533.33
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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.