Finding the Fourth Proportional to 556,948.06, 769,215.23 and 376,405.75
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Solution
The fourth proportional to 556,948.06, 769,215.23 and 376,405.75 is: 519,863.62
Step by Step Solution
- Step 1: Write the proportion equation
556,948.06 : 769,215.23 = 376,405.75 : x - Step 2: Convert to fraction form
556,948.06/769,215.23 = 376,405.75/x - Step 3: Cross multiply
556,948.06x = 769,215.23 × 376,405.75 - Step 4: Simplify right side
556,948.06x = 289,537,035,559.57 - Step 5: Solve for x
x = 289,537,035,559.57/556,948.06 - Step 6: Final answer
x = 519,863.62
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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.