Finding the Fourth Proportional to 860,630.64, 1,187,670.28 and 473,451.44
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Solution
The fourth proportional to 860,630.64, 1,187,670.28 and 473,451.44 is: 653,362.99
Step by Step Solution
- Step 1: Write the proportion equation
860,630.64 : 1,187,670.28 = 473,451.44 : x - Step 2: Convert to fraction form
860,630.64/1,187,670.28 = 473,451.44/x - Step 3: Cross multiply
860,630.64x = 1,187,670.28 × 473,451.44 - Step 4: Simplify right side
860,630.64x = 562,304,204,311.20 - Step 5: Solve for x
x = 562,304,204,311.20/860,630.64 - Step 6: Final answer
x = 653,362.99
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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.