Finding the Fourth Proportional to 579,553.40, 868,163.70 and 402,260.60
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Solution
The fourth proportional to 579,553.40, 868,163.70 and 402,260.60 is: 602,581.32
Step by Step Solution
- Step 1: Write the proportion equation
579,553.40 : 868,163.70 = 402,260.60 : x - Step 2: Convert to fraction form
579,553.40/868,163.70 = 402,260.60/x - Step 3: Cross multiply
579,553.40x = 868,163.70 × 402,260.60 - Step 4: Simplify right side
579,553.40x = 349,228,050,860.22 - Step 5: Solve for x
x = 349,228,050,860.22/579,553.40 - Step 6: Final answer
x = 602,581.32
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1.5x scale
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.