Finding the Fourth Proportional to 780,461.20, 1,170,927.60 and 370,445.19
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Solution
The fourth proportional to 780,461.20, 1,170,927.60 and 370,445.19 is: 555,779.71
Step by Step Solution
- Step 1: Write the proportion equation
780,461.20 : 1,170,927.60 = 370,445.19 : x - Step 2: Convert to fraction form
780,461.20/1,170,927.60 = 370,445.19/x - Step 3: Cross multiply
780,461.20x = 1,170,927.60 × 370,445.19 - Step 4: Simplify right side
780,461.20x = 433,764,497,258.24 - Step 5: Solve for x
x = 433,764,497,258.24/780,461.20 - Step 6: Final answer
x = 555,779.71
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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.