Finding the Fourth Proportional to 753,124.02, 1,129,685.97 and 220,645.05
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Solution
The fourth proportional to 753,124.02, 1,129,685.97 and 220,645.05 is: 330,967.56
Step by Step Solution
- Step 1: Write the proportion equation
753,124.02 : 1,129,685.97 = 220,645.05 : x - Step 2: Convert to fraction form
753,124.02/1,129,685.97 = 220,645.05/x - Step 3: Cross multiply
753,124.02x = 1,129,685.97 × 220,645.05 - Step 4: Simplify right side
753,124.02x = 249,259,617,334.95 - Step 5: Solve for x
x = 249,259,617,334.95/753,124.02 - Step 6: Final answer
x = 330,967.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.