Finding the Fourth Proportional to 743,992.68, 1,024,887.66 and 539,442.60
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Solution
The fourth proportional to 743,992.68, 1,024,887.66 and 539,442.60 is: 743,109.55
Step by Step Solution
- Step 1: Write the proportion equation
743,992.68 : 1,024,887.66 = 539,442.60 : x - Step 2: Convert to fraction form
743,992.68/1,024,887.66 = 539,442.60/x - Step 3: Cross multiply
743,992.68x = 1,024,887.66 × 539,442.60 - Step 4: Simplify right side
743,992.68x = 552,868,064,018.32 - Step 5: Solve for x
x = 552,868,064,018.32/743,992.68 - Step 6: Final answer
x = 743,109.55
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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.