Finding the Fourth Proportional to 713,656.99, 984,755.91 and 407,753.19
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Solution
The fourth proportional to 713,656.99, 984,755.91 and 407,753.19 is: 562,647.55
Step by Step Solution
- Step 1: Write the proportion equation
713,656.99 : 984,755.91 = 407,753.19 : x - Step 2: Convert to fraction form
713,656.99/984,755.91 = 407,753.19/x - Step 3: Cross multiply
713,656.99x = 984,755.91 × 407,753.19 - Step 4: Simplify right side
713,656.99x = 401,537,358,750.07 - Step 5: Solve for x
x = 401,537,358,750.07/713,656.99 - Step 6: Final answer
x = 562,647.55
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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.