Finding the Fourth Proportional to 766,370.18, 1,057,511.44 and 471,973.31
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Solution
The fourth proportional to 766,370.18, 1,057,511.44 and 471,973.31 is: 651,274.27
Step by Step Solution
- Step 1: Write the proportion equation
766,370.18 : 1,057,511.44 = 471,973.31 : x - Step 2: Convert to fraction form
766,370.18/1,057,511.44 = 471,973.31/x - Step 3: Cross multiply
766,370.18x = 1,057,511.44 × 471,973.31 - Step 4: Simplify right side
766,370.18x = 499,117,176,163.51 - Step 5: Solve for x
x = 499,117,176,163.51/766,370.18 - Step 6: Final answer
x = 651,274.27
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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.