Finding the Fourth Proportional to 775,122.41, 1,069,669.29 and 448,479.95
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Solution
The fourth proportional to 775,122.41, 1,069,669.29 and 448,479.95 is: 618,902.54
Step by Step Solution
- Step 1: Write the proportion equation
775,122.41 : 1,069,669.29 = 448,479.95 : x - Step 2: Convert to fraction form
775,122.41/1,069,669.29 = 448,479.95/x - Step 3: Cross multiply
775,122.41x = 1,069,669.29 × 448,479.95 - Step 4: Simplify right side
775,122.41x = 479,725,223,226.19 - Step 5: Solve for x
x = 479,725,223,226.19/775,122.41 - Step 6: Final answer
x = 618,902.54
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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.