Finding the Fourth Proportional to 860,624.04, 1,187,629.14 and 478,642.62
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Solution
The fourth proportional to 860,624.04, 1,187,629.14 and 478,642.62 is: 660,509.00
Step by Step Solution
- Step 1: Write the proportion equation
860,624.04 : 1,187,629.14 = 478,642.62 : x - Step 2: Convert to fraction form
860,624.04/1,187,629.14 = 478,642.62/x - Step 3: Cross multiply
860,624.04x = 1,187,629.14 × 478,642.62 - Step 4: Simplify right side
860,624.04x = 568,449,923,157.95 - Step 5: Solve for x
x = 568,449,923,157.95/860,624.04 - Step 6: Final answer
x = 660,509.00
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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.