Finding the Fourth Proportional to 757,452.84, 1,045,336.14 and 435,291.36
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Solution
The fourth proportional to 757,452.84, 1,045,336.14 and 435,291.36 is: 600,731.51
Step by Step Solution
- Step 1: Write the proportion equation
757,452.84 : 1,045,336.14 = 435,291.36 : x - Step 2: Convert to fraction form
757,452.84/1,045,336.14 = 435,291.36/x - Step 3: Cross multiply
757,452.84x = 1,045,336.14 × 435,291.36 - Step 4: Simplify right side
757,452.84x = 455,025,790,037.75 - Step 5: Solve for x
x = 455,025,790,037.75/757,452.84 - Step 6: Final answer
x = 600,731.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.