Finding the Fourth Proportional to 745,704.96, 1,029,116.71 and 561,618.75
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Solution
The fourth proportional to 745,704.96, 1,029,116.71 and 561,618.75 is: 775,066.91
Step by Step Solution
- Step 1: Write the proportion equation
745,704.96 : 1,029,116.71 = 561,618.75 : x - Step 2: Convert to fraction form
745,704.96/1,029,116.71 = 561,618.75/x - Step 3: Cross multiply
745,704.96x = 1,029,116.71 × 561,618.75 - Step 4: Simplify right side
745,704.96x = 577,971,240,274.31 - Step 5: Solve for x
x = 577,971,240,274.31/745,704.96 - Step 6: Final answer
x = 775,066.91
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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.