Finding the Fourth Proportional to 877,772.71, 1,317,039.37 and 309,559.84
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Solution
The fourth proportional to 877,772.71, 1,317,039.37 and 309,559.84 is: 464,473.88
Step by Step Solution
- Step 1: Write the proportion equation
877,772.71 : 1,317,039.37 = 309,559.84 : x - Step 2: Convert to fraction form
877,772.71/1,317,039.37 = 309,559.84/x - Step 3: Cross multiply
877,772.71x = 1,317,039.37 × 309,559.84 - Step 4: Simplify right side
877,772.71x = 407,702,495,103.10 - Step 5: Solve for x
x = 407,702,495,103.10/877,772.71 - Step 6: Final answer
x = 464,473.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.