Finding the Fourth Proportional to 905,729.99, 1,249,920.21 and 497,869.55
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Solution
The fourth proportional to 905,729.99, 1,249,920.21 and 497,869.55 is: 687,067.02
Step by Step Solution
- Step 1: Write the proportion equation
905,729.99 : 1,249,920.21 = 497,869.55 : x - Step 2: Convert to fraction form
905,729.99/1,249,920.21 = 497,869.55/x - Step 3: Cross multiply
905,729.99x = 1,249,920.21 × 497,869.55 - Step 4: Simplify right side
905,729.99x = 622,297,206,239.00 - Step 5: Solve for x
x = 622,297,206,239.00/905,729.99 - Step 6: Final answer
x = 687,067.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.