Finding the Fourth Proportional to 617,878.97, 926,234.09 and 465,840.15
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Solution
The fourth proportional to 617,878.97, 926,234.09 and 465,840.15 is: 698,319.65
Step by Step Solution
- Step 1: Write the proportion equation
617,878.97 : 926,234.09 = 465,840.15 : x - Step 2: Convert to fraction form
617,878.97/926,234.09 = 465,840.15/x - Step 3: Cross multiply
617,878.97x = 926,234.09 × 465,840.15 - Step 4: Simplify right side
617,878.97x = 431,477,023,365.04 - Step 5: Solve for x
x = 431,477,023,365.04/617,878.97 - Step 6: Final answer
x = 698,319.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.