Finding the Fourth Proportional to 634,140.87, 875,114.19 and 347,654.82
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Solution
The fourth proportional to 634,140.87, 875,114.19 and 347,654.82 is: 479,763.54
Step by Step Solution
- Step 1: Write the proportion equation
634,140.87 : 875,114.19 = 347,654.82 : x - Step 2: Convert to fraction form
634,140.87/875,114.19 = 347,654.82/x - Step 3: Cross multiply
634,140.87x = 875,114.19 × 347,654.82 - Step 4: Simplify right side
634,140.87x = 304,237,666,203.90 - Step 5: Solve for x
x = 304,237,666,203.90/634,140.87 - Step 6: Final answer
x = 479,763.54
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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.