Finding the Fourth Proportional to 860,452.92, 1,187,453.76 and 473,284.68
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Solution
The fourth proportional to 860,452.92, 1,187,453.76 and 473,284.68 is: 653,148.66
Step by Step Solution
- Step 1: Write the proportion equation
860,452.92 : 1,187,453.76 = 473,284.68 : x - Step 2: Convert to fraction form
860,452.92/1,187,453.76 = 473,284.68/x - Step 3: Cross multiply
860,452.92x = 1,187,453.76 × 473,284.68 - Step 4: Simplify right side
860,452.92x = 562,003,672,816.40 - Step 5: Solve for x
x = 562,003,672,816.40/860,452.92 - Step 6: Final answer
x = 653,148.66
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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.