Finding the Fourth Proportional to 843,157.51, 1,163,669.95 and 475,710.07
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Solution
The fourth proportional to 843,157.51, 1,163,669.95 and 475,710.07 is: 656,543.42
Step by Step Solution
- Step 1: Write the proportion equation
843,157.51 : 1,163,669.95 = 475,710.07 : x - Step 2: Convert to fraction form
843,157.51/1,163,669.95 = 475,710.07/x - Step 3: Cross multiply
843,157.51x = 1,163,669.95 × 475,710.07 - Step 4: Simplify right side
843,157.51x = 553,569,510,562.87 - Step 5: Solve for x
x = 553,569,510,562.87/843,157.51 - Step 6: Final answer
x = 656,543.42
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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.