Finding the Fourth Proportional to 463,875.39, 640,163.70 and 442,617.75
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Solution
The fourth proportional to 463,875.39, 640,163.70 and 442,617.75 is: 610,827.44
Step by Step Solution
- Step 1: Write the proportion equation
463,875.39 : 640,163.70 = 442,617.75 : x - Step 2: Convert to fraction form
463,875.39/640,163.70 = 442,617.75/x - Step 3: Cross multiply
463,875.39x = 640,163.70 × 442,617.75 - Step 4: Simplify right side
463,875.39x = 283,347,816,525.68 - Step 5: Solve for x
x = 283,347,816,525.68/463,875.39 - Step 6: Final answer
x = 610,827.44
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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.