Finding the Fourth Proportional to 501,546.19, 692,133.75 and 286,690.91
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Solution
The fourth proportional to 501,546.19, 692,133.75 and 286,690.91 is: 395,633.46
Step by Step Solution
- Step 1: Write the proportion equation
501,546.19 : 692,133.75 = 286,690.91 : x - Step 2: Convert to fraction form
501,546.19/692,133.75 = 286,690.91/x - Step 3: Cross multiply
501,546.19x = 692,133.75 × 286,690.91 - Step 4: Simplify right side
501,546.19x = 198,428,454,629.21 - Step 5: Solve for x
x = 198,428,454,629.21/501,546.19 - Step 6: Final answer
x = 395,633.46
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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.