Finding the Fourth Proportional to 829,526.42, 1,144,135.29 and 625,585.94
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Solution
The fourth proportional to 829,526.42, 1,144,135.29 and 625,585.94 is: 862,847.68
Step by Step Solution
- Step 1: Write the proportion equation
829,526.42 : 1,144,135.29 = 625,585.94 : x - Step 2: Convert to fraction form
829,526.42/1,144,135.29 = 625,585.94/x - Step 3: Cross multiply
829,526.42x = 1,144,135.29 × 625,585.94 - Step 4: Simplify right side
829,526.42x = 715,754,942,033.22 - Step 5: Solve for x
x = 715,754,942,033.22/829,526.42 - Step 6: Final answer
x = 862,847.68
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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.