Finding the Fourth Proportional to 518,598.53, 777,890.07 and 316,254.09
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Solution
The fourth proportional to 518,598.53, 777,890.07 and 316,254.09 is: 474,376.43
Step by Step Solution
- Step 1: Write the proportion equation
518,598.53 : 777,890.07 = 316,254.09 : x - Step 2: Convert to fraction form
518,598.53/777,890.07 = 316,254.09/x - Step 3: Cross multiply
518,598.53x = 777,890.07 × 316,254.09 - Step 4: Simplify right side
518,598.53x = 246,010,914,626.62 - Step 5: Solve for x
x = 246,010,914,626.62/518,598.53 - Step 6: Final answer
x = 474,376.43
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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.