Finding the Fourth Proportional to 766,217.44, 1,057,408 and 475,988.96
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Solution
The fourth proportional to 766,217.44, 1,057,408 and 475,988.96 is: 656,882.12
Step by Step Solution
- Step 1: Write the proportion equation
766,217.44 : 1,057,408 = 475,988.96 : x - Step 2: Convert to fraction form
766,217.44/1,057,408 = 475,988.96/x - Step 3: Cross multiply
766,217.44x = 1,057,408 × 475,988.96 - Step 4: Simplify right side
766,217.44x = 503,314,534,215.68 - Step 5: Solve for x
x = 503,314,534,215.68/766,217.44 - Step 6: Final answer
x = 656,882.12
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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.