Finding the Fourth Proportional to 611,630.19, 844,020.99 and 339,714.66
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Solution
The fourth proportional to 611,630.19, 844,020.99 and 339,714.66 is: 468,790.31
Step by Step Solution
- Step 1: Write the proportion equation
611,630.19 : 844,020.99 = 339,714.66 : x - Step 2: Convert to fraction form
611,630.19/844,020.99 = 339,714.66/x - Step 3: Cross multiply
611,630.19x = 844,020.99 × 339,714.66 - Step 4: Simplify right side
611,630.19x = 286,726,303,650.71 - Step 5: Solve for x
x = 286,726,303,650.71/611,630.19 - Step 6: Final answer
x = 468,790.31
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1.5x scale
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.