Finding the Fourth Proportional to 744,682.74, 1,117,036.42 and 360,208.14
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Solution
The fourth proportional to 744,682.74, 1,117,036.42 and 360,208.14 is: 540,318.16
Step by Step Solution
- Step 1: Write the proportion equation
744,682.74 : 1,117,036.42 = 360,208.14 : x - Step 2: Convert to fraction form
744,682.74/1,117,036.42 = 360,208.14/x - Step 3: Cross multiply
744,682.74x = 1,117,036.42 × 360,208.14 - Step 4: Simplify right side
744,682.74x = 402,365,611,160.46 - Step 5: Solve for x
x = 402,365,611,160.46/744,682.74 - Step 6: Final answer
x = 540,318.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.