Finding the Fourth Proportional to 614,412.48, 847,893.12 and 342,497.64
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Solution
The fourth proportional to 614,412.48, 847,893.12 and 342,497.64 is: 472,648.92
Step by Step Solution
- Step 1: Write the proportion equation
614,412.48 : 847,893.12 = 342,497.64 : x - Step 2: Convert to fraction form
614,412.48/847,893.12 = 342,497.64/x - Step 3: Cross multiply
614,412.48x = 847,893.12 × 342,497.64 - Step 4: Simplify right side
614,412.48x = 290,401,392,572.24 - Step 5: Solve for x
x = 290,401,392,572.24/614,412.48 - Step 6: Final answer
x = 472,648.92
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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.