Finding the Fourth Proportional to 758,052.90, 1,044,742.86 and 628,308.09
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Solution
The fourth proportional to 758,052.90, 1,044,742.86 and 628,308.09 is: 865,929.53
Step by Step Solution
- Step 1: Write the proportion equation
758,052.90 : 1,044,742.86 = 628,308.09 : x - Step 2: Convert to fraction form
758,052.90/1,044,742.86 = 628,308.09/x - Step 3: Cross multiply
758,052.90x = 1,044,742.86 × 628,308.09 - Step 4: Simplify right side
758,052.90x = 656,420,390,907.74 - Step 5: Solve for x
x = 656,420,390,907.74/758,052.90 - Step 6: Final answer
x = 865,929.53
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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.