Finding the Fourth Proportional to 860,299.73, 1,187,244.10 and 473,145.09
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Solution
The fourth proportional to 860,299.73, 1,187,244.10 and 473,145.09 is: 652,956.99
Step by Step Solution
- Step 1: Write the proportion equation
860,299.73 : 1,187,244.10 = 473,145.09 : x - Step 2: Convert to fraction form
860,299.73/1,187,244.10 = 473,145.09/x - Step 3: Cross multiply
860,299.73x = 1,187,244.10 × 473,145.09 - Step 4: Simplify right side
860,299.73x = 561,738,716,546.47 - Step 5: Solve for x
x = 561,738,716,546.47/860,299.73 - Step 6: Final answer
x = 652,956.99
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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.