Finding the Fourth Proportional to 585,117.70, 807,457.80 and 316,845.70
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Solution
The fourth proportional to 585,117.70, 807,457.80 and 316,845.70 is: 437,244.56
Step by Step Solution
- Step 1: Write the proportion equation
585,117.70 : 807,457.80 = 316,845.70 : x - Step 2: Convert to fraction form
585,117.70/807,457.80 = 316,845.70/x - Step 3: Cross multiply
585,117.70x = 807,457.80 × 316,845.70 - Step 4: Simplify right side
585,117.70x = 255,839,531,861.46 - Step 5: Solve for x
x = 255,839,531,861.46/585,117.70 - Step 6: Final answer
x = 437,244.56
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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.