Finding the Fourth Proportional to 568,602.97, 849,217.98 and 515,188.23
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Solution
The fourth proportional to 568,602.97, 849,217.98 and 515,188.23 is: 769,442.17
Step by Step Solution
- Step 1: Write the proportion equation
568,602.97 : 849,217.98 = 515,188.23 : x - Step 2: Convert to fraction form
568,602.97/849,217.98 = 515,188.23/x - Step 3: Cross multiply
568,602.97x = 849,217.98 × 515,188.23 - Step 4: Simplify right side
568,602.97x = 437,507,107,902.20 - Step 5: Solve for x
x = 437,507,107,902.20/568,602.97 - Step 6: Final answer
x = 769,442.17
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.