Finding the Fourth Proportional to 582,328.62, 803,631.38 and 317,132.09
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Solution
The fourth proportional to 582,328.62, 803,631.38 and 317,132.09 is: 437,652.02
Step by Step Solution
- Step 1: Write the proportion equation
582,328.62 : 803,631.38 = 317,132.09 : x - Step 2: Convert to fraction form
582,328.62/803,631.38 = 317,132.09/x - Step 3: Cross multiply
582,328.62x = 803,631.38 × 317,132.09 - Step 4: Simplify right side
582,328.62x = 254,857,294,278.57 - Step 5: Solve for x
x = 254,857,294,278.57/582,328.62 - Step 6: Final answer
x = 437,652.02
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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.