Finding the Fourth Proportional to 647,214.80, 970,059.68 and 291,812.72
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Solution
The fourth proportional to 647,214.80, 970,059.68 and 291,812.72 is: 437,375.28
Step by Step Solution
- Step 1: Write the proportion equation
647,214.80 : 970,059.68 = 291,812.72 : x - Step 2: Convert to fraction form
647,214.80/970,059.68 = 291,812.72/x - Step 3: Cross multiply
647,214.80x = 970,059.68 × 291,812.72 - Step 4: Simplify right side
647,214.80x = 283,075,753,783.13 - Step 5: Solve for x
x = 283,075,753,783.13/647,214.80 - Step 6: Final answer
x = 437,375.28
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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.