Finding the Fourth Proportional to 869,157.92, 1,199,493.36 and 487,184.80
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Solution
The fourth proportional to 869,157.92, 1,199,493.36 and 487,184.80 is: 672,346.09
Step by Step Solution
- Step 1: Write the proportion equation
869,157.92 : 1,199,493.36 = 487,184.80 : x - Step 2: Convert to fraction form
869,157.92/1,199,493.36 = 487,184.80/x - Step 3: Cross multiply
869,157.92x = 1,199,493.36 × 487,184.80 - Step 4: Simplify right side
869,157.92x = 584,374,932,692.93 - Step 5: Solve for x
x = 584,374,932,692.93/869,157.92 - Step 6: Final answer
x = 672,346.09
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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.