Finding the Fourth Proportional to 612,756.26, 845,591.50 and 340,818.31
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Solution
The fourth proportional to 612,756.26, 845,591.50 and 340,818.31 is: 470,322.52
Step by Step Solution
- Step 1: Write the proportion equation
612,756.26 : 845,591.50 = 340,818.31 : x - Step 2: Convert to fraction form
612,756.26/845,591.50 = 340,818.31/x - Step 3: Cross multiply
612,756.26x = 845,591.50 × 340,818.31 - Step 4: Simplify right side
612,756.26x = 288,193,065,980.37 - Step 5: Solve for x
x = 288,193,065,980.37/612,756.26 - Step 6: Final answer
x = 470,322.52
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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.