Finding the Fourth Proportional to 513,223.84, 708,244.63 and 283,791.13
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Solution
The fourth proportional to 513,223.84, 708,244.63 and 283,791.13 is: 391,629.40
Step by Step Solution
- Step 1: Write the proportion equation
513,223.84 : 708,244.63 = 283,791.13 : x - Step 2: Convert to fraction form
513,223.84/708,244.63 = 283,791.13/x - Step 3: Cross multiply
513,223.84x = 708,244.63 × 283,791.13 - Step 4: Simplify right side
513,223.84x = 200,993,543,864.13 - Step 5: Solve for x
x = 200,993,543,864.13/513,223.84 - Step 6: Final answer
x = 391,629.40
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1.5x scale
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.