Finding the Fourth Proportional to 592,373.91, 816,625.76 and 422,312.79
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Solution
The fourth proportional to 592,373.91, 816,625.76 and 422,312.79 is: 582,185.50
Step by Step Solution
- Step 1: Write the proportion equation
592,373.91 : 816,625.76 = 422,312.79 : x - Step 2: Convert to fraction form
592,373.91/816,625.76 = 422,312.79/x - Step 3: Cross multiply
592,373.91x = 816,625.76 × 422,312.79 - Step 4: Simplify right side
592,373.91x = 344,871,500,979.91 - Step 5: Solve for x
x = 344,871,500,979.91/592,373.91 - Step 6: Final answer
x = 582,185.50
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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.