Finding the Fourth Proportional to 925,724.94, 1,276,985.97 and 538,496.79
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Solution
The fourth proportional to 925,724.94, 1,276,985.97 and 538,496.79 is: 742,826.31
Step by Step Solution
- Step 1: Write the proportion equation
925,724.94 : 1,276,985.97 = 538,496.79 : x - Step 2: Convert to fraction form
925,724.94/1,276,985.97 = 538,496.79/x - Step 3: Cross multiply
925,724.94x = 1,276,985.97 × 538,496.79 - Step 4: Simplify right side
925,724.94x = 687,652,845,720.04 - Step 5: Solve for x
x = 687,652,845,720.04/925,724.94 - Step 6: Final answer
x = 742,826.31
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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.