Finding the Fourth Proportional to 744,471.98, 1,027,462.53 and 438,532.55
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Solution
The fourth proportional to 744,471.98, 1,027,462.53 and 438,532.55 is: 605,228.64
Step by Step Solution
- Step 1: Write the proportion equation
744,471.98 : 1,027,462.53 = 438,532.55 : x - Step 2: Convert to fraction form
744,471.98/1,027,462.53 = 438,532.55/x - Step 3: Cross multiply
744,471.98x = 1,027,462.53 × 438,532.55 - Step 4: Simplify right side
744,471.98x = 450,575,758,173.04 - Step 5: Solve for x
x = 450,575,758,173.04/744,471.98 - Step 6: Final answer
x = 605,228.64
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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.