Finding the Fourth Proportional to 909,953.80, 1,364,930.70 and 738,711.70
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Solution
The fourth proportional to 909,953.80, 1,364,930.70 and 738,711.70 is: 1,108,067.55
Step by Step Solution
- Step 1: Write the proportion equation
909,953.80 : 1,364,930.70 = 738,711.70 : x - Step 2: Convert to fraction form
909,953.80/1,364,930.70 = 738,711.70/x - Step 3: Cross multiply
909,953.80x = 1,364,930.70 × 738,711.70 - Step 4: Simplify right side
909,953.80x = 1,008,290,277,779.19 - Step 5: Solve for x
x = 1,008,290,277,779.19/909,953.80 - Step 6: Final answer
x = 1,108,067.55
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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.