Finding the Fourth Proportional to 1,207,455.20, 1,811,244.84 and 308,904.74
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Solution
The fourth proportional to 1,207,455.20, 1,811,244.84 and 308,904.74 is: 463,372.98
Step by Step Solution
- Step 1: Write the proportion equation
1,207,455.20 : 1,811,244.84 = 308,904.74 : x - Step 2: Convert to fraction form
1,207,455.20/1,811,244.84 = 308,904.74/x - Step 3: Cross multiply
1,207,455.20x = 1,811,244.84 × 308,904.74 - Step 4: Simplify right side
1,207,455.20x = 559,502,107,320.32 - Step 5: Solve for x
x = 559,502,107,320.32/1,207,455.20 - Step 6: Final answer
x = 463,372.98
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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.