Finding the Fourth Proportional to 614,339.24, 847,757.75 and 342,429.53
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Solution
The fourth proportional to 614,339.24, 847,757.75 and 342,429.53 is: 472,535.80
Step by Step Solution
- Step 1: Write the proportion equation
614,339.24 : 847,757.75 = 342,429.53 : x - Step 2: Convert to fraction form
614,339.24/847,757.75 = 342,429.53/x - Step 3: Cross multiply
614,339.24x = 847,757.75 × 342,429.53 - Step 4: Simplify right side
614,339.24x = 290,297,281,935.42 - Step 5: Solve for x
x = 290,297,281,935.42/614,339.24 - Step 6: Final answer
x = 472,535.80
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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.