Finding the Fourth Proportional to 611,869.62, 844,330.57 and 353,763.12
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Solution
The fourth proportional to 611,869.62, 844,330.57 and 353,763.12 is: 488,164.49
Step by Step Solution
- Step 1: Write the proportion equation
611,869.62 : 844,330.57 = 353,763.12 : x - Step 2: Convert to fraction form
611,869.62/844,330.57 = 353,763.12/x - Step 3: Cross multiply
611,869.62x = 844,330.57 × 353,763.12 - Step 4: Simplify right side
611,869.62x = 298,693,017,351.59 - Step 5: Solve for x
x = 298,693,017,351.59/611,869.62 - Step 6: Final answer
x = 488,164.49
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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.