Finding the Fourth Proportional to 753,453.07, 1,130,188.41 and 220,984.79
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Solution
The fourth proportional to 753,453.07, 1,130,188.41 and 220,984.79 is: 331,479.76
Step by Step Solution
- Step 1: Write the proportion equation
753,453.07 : 1,130,188.41 = 220,984.79 : x - Step 2: Convert to fraction form
753,453.07/1,130,188.41 = 220,984.79/x - Step 3: Cross multiply
753,453.07x = 1,130,188.41 × 220,984.79 - Step 4: Simplify right side
753,453.07x = 249,754,442,793.34 - Step 5: Solve for x
x = 249,754,442,793.34/753,453.07 - Step 6: Final answer
x = 331,479.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.