Finding the Fourth Proportional to 693,908.91, 1,040,030.28 and 357,108.48
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Solution
The fourth proportional to 693,908.91, 1,040,030.28 and 357,108.48 is: 535,233.99
Step by Step Solution
- Step 1: Write the proportion equation
693,908.91 : 1,040,030.28 = 357,108.48 : x - Step 2: Convert to fraction form
693,908.91/1,040,030.28 = 357,108.48/x - Step 3: Cross multiply
693,908.91x = 1,040,030.28 × 357,108.48 - Step 4: Simplify right side
693,908.91x = 371,403,632,444.77 - Step 5: Solve for x
x = 371,403,632,444.77/693,908.91 - Step 6: Final answer
x = 535,233.99
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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.