Finding the Fourth Proportional to 634,453.28, 875,567.84 and 347,974.52
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Solution
The fourth proportional to 634,453.28, 875,567.84 and 347,974.52 is: 480,217.08
Step by Step Solution
- Step 1: Write the proportion equation
634,453.28 : 875,567.84 = 347,974.52 : x - Step 2: Convert to fraction form
634,453.28/875,567.84 = 347,974.52/x - Step 3: Cross multiply
634,453.28x = 875,567.84 × 347,974.52 - Step 4: Simplify right side
634,453.28x = 304,675,298,851.44 - Step 5: Solve for x
x = 304,675,298,851.44/634,453.28 - Step 6: Final answer
x = 480,217.08
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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.