Finding the Fourth Proportional to 605,418.06, 907,655.84 and 391,734.48
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Solution
The fourth proportional to 605,418.06, 907,655.84 and 391,734.48 is: 587,296.80
Step by Step Solution
- Step 1: Write the proportion equation
605,418.06 : 907,655.84 = 391,734.48 : x - Step 2: Convert to fraction form
605,418.06/907,655.84 = 391,734.48/x - Step 3: Cross multiply
605,418.06x = 907,655.84 × 391,734.48 - Step 4: Simplify right side
605,418.06x = 355,560,088,501.36 - Step 5: Solve for x
x = 355,560,088,501.36/605,418.06 - Step 6: Final answer
x = 587,296.80
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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.