Finding the Fourth Proportional to 980,696, 1,353,378.24 and 545,154.08
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Solution
The fourth proportional to 980,696, 1,353,378.24 and 545,154.08 is: 752,322.50
Step by Step Solution
- Step 1: Write the proportion equation
980,696 : 1,353,378.24 = 545,154.08 : x - Step 2: Convert to fraction form
980,696/1,353,378.24 = 545,154.08/x - Step 3: Cross multiply
980,696x = 1,353,378.24 × 545,154.08 - Step 4: Simplify right side
980,696x = 737,799,669,319.22 - Step 5: Solve for x
x = 737,799,669,319.22/980,696 - Step 6: Final answer
x = 752,322.50
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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.