Finding the Fourth Proportional to 766,370.68, 1,057,512.13 and 471,973.82
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Solution
The fourth proportional to 766,370.68, 1,057,512.13 and 471,973.82 is: 651,274.96
Step by Step Solution
- Step 1: Write the proportion equation
766,370.68 : 1,057,512.13 = 471,973.82 : x - Step 2: Convert to fraction form
766,370.68/1,057,512.13 = 471,973.82/x - Step 3: Cross multiply
766,370.68x = 1,057,512.13 × 471,973.82 - Step 4: Simplify right side
766,370.68x = 499,118,034,404.88 - Step 5: Solve for x
x = 499,118,034,404.88/766,370.68 - Step 6: Final answer
x = 651,274.96
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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.