Finding the Fourth Proportional to 744,254.58, 1,027,116.18 and 438,534.75
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Solution
The fourth proportional to 744,254.58, 1,027,116.18 and 438,534.75 is: 605,204.39
Step by Step Solution
- Step 1: Write the proportion equation
744,254.58 : 1,027,116.18 = 438,534.75 : x - Step 2: Convert to fraction form
744,254.58/1,027,116.18 = 438,534.75/x - Step 3: Cross multiply
744,254.58x = 1,027,116.18 × 438,534.75 - Step 4: Simplify right side
744,254.58x = 450,426,137,217.26 - Step 5: Solve for x
x = 450,426,137,217.26/744,254.58 - Step 6: Final answer
x = 605,204.39
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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.