Finding the Fourth Proportional to 788,861.70, 1,183,465.35 and 256,292.10
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Solution
The fourth proportional to 788,861.70, 1,183,465.35 and 256,292.10 is: 384,494.29
Step by Step Solution
- Step 1: Write the proportion equation
788,861.70 : 1,183,465.35 = 256,292.10 : x - Step 2: Convert to fraction form
788,861.70/1,183,465.35 = 256,292.10/x - Step 3: Cross multiply
788,861.70x = 1,183,465.35 × 256,292.10 - Step 4: Simplify right side
788,861.70x = 303,312,819,828.74 - Step 5: Solve for x
x = 303,312,819,828.74/788,861.70 - Step 6: Final answer
x = 384,494.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.