Finding the Fourth Proportional to 493,317.03, 681,430.93 and 396,884.00
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Solution
The fourth proportional to 493,317.03, 681,430.93 and 396,884.00 is: 548,225.61
Step by Step Solution
- Step 1: Write the proportion equation
493,317.03 : 681,430.93 = 396,884.00 : x - Step 2: Convert to fraction form
493,317.03/681,430.93 = 396,884.00/x - Step 3: Cross multiply
493,317.03x = 681,430.93 × 396,884.00 - Step 4: Simplify right side
493,317.03x = 270,449,033,933.49 - Step 5: Solve for x
x = 270,449,033,933.49/493,317.03 - Step 6: Final answer
x = 548,225.61
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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.