Finding the Fourth Proportional to 819,865.44, 1,132,196.04 and 775,135.80
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Solution
The fourth proportional to 819,865.44, 1,132,196.04 and 775,135.80 is: 1,070,426.49
Step by Step Solution
- Step 1: Write the proportion equation
819,865.44 : 1,132,196.04 = 775,135.80 : x - Step 2: Convert to fraction form
819,865.44/1,132,196.04 = 775,135.80/x - Step 3: Cross multiply
819,865.44x = 1,132,196.04 × 775,135.80 - Step 4: Simplify right side
819,865.44x = 877,605,683,222.23 - Step 5: Solve for x
x = 877,605,683,222.23/819,865.44 - Step 6: Final answer
x = 1,070,426.49
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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.