Finding the Fourth Proportional to 614,368.40, 847,725.64 and 342,376.68
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Solution
The fourth proportional to 614,368.40, 847,725.64 and 342,376.68 is: 472,422.56
Step by Step Solution
- Step 1: Write the proportion equation
614,368.40 : 847,725.64 = 342,376.68 : x - Step 2: Convert to fraction form
614,368.40/847,725.64 = 342,376.68/x - Step 3: Cross multiply
614,368.40x = 847,725.64 × 342,376.68 - Step 4: Simplify right side
614,368.40x = 290,241,490,174.08 - Step 5: Solve for x
x = 290,241,490,174.08/614,368.40 - Step 6: Final answer
x = 472,422.56
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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.