Finding the Fourth Proportional to 864,465.80, 1,192,852.77 and 482,508.68
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Solution
The fourth proportional to 864,465.80, 1,192,852.77 and 482,508.68 is: 665,800.56
Step by Step Solution
- Step 1: Write the proportion equation
864,465.80 : 1,192,852.77 = 482,508.68 : x - Step 2: Convert to fraction form
864,465.80/1,192,852.77 = 482,508.68/x - Step 3: Cross multiply
864,465.80x = 1,192,852.77 × 482,508.68 - Step 4: Simplify right side
864,465.80x = 575,561,809,522.78 - Step 5: Solve for x
x = 575,561,809,522.78/864,465.80 - Step 6: Final answer
x = 665,800.56
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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.