Finding the Fourth Proportional to 901,406.84, 1,244,784.36 and 579,675.64
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Solution
The fourth proportional to 901,406.84, 1,244,784.36 and 579,675.64 is: 800,494.45
Step by Step Solution
- Step 1: Write the proportion equation
901,406.84 : 1,244,784.36 = 579,675.64 : x - Step 2: Convert to fraction form
901,406.84/1,244,784.36 = 579,675.64/x - Step 3: Cross multiply
901,406.84x = 1,244,784.36 × 579,675.64 - Step 4: Simplify right side
901,406.84x = 721,571,170,544.99 - Step 5: Solve for x
x = 721,571,170,544.99/901,406.84 - Step 6: Final answer
x = 800,494.45
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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.