Finding the Fourth Proportional to 747,840.92, 1,121,997.42 and 568,784.06
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Solution
The fourth proportional to 747,840.92, 1,121,997.42 and 568,784.06 is: 853,355.61
Step by Step Solution
- Step 1: Write the proportion equation
747,840.92 : 1,121,997.42 = 568,784.06 : x - Step 2: Convert to fraction form
747,840.92/1,121,997.42 = 568,784.06/x - Step 3: Cross multiply
747,840.92x = 1,121,997.42 × 568,784.06 - Step 4: Simplify right side
747,840.92x = 638,174,242,247.14 - Step 5: Solve for x
x = 638,174,242,247.14/747,840.92 - Step 6: Final answer
x = 853,355.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.