Finding the Fourth Proportional to 605,102.20, 907,653.30 and 555,335.80
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Solution
The fourth proportional to 605,102.20, 907,653.30 and 555,335.80 is: 833,003.70
Step by Step Solution
- Step 1: Write the proportion equation
605,102.20 : 907,653.30 = 555,335.80 : x - Step 2: Convert to fraction form
605,102.20/907,653.30 = 555,335.80/x - Step 3: Cross multiply
605,102.20x = 907,653.30 × 555,335.80 - Step 4: Simplify right side
605,102.20x = 504,052,371,478.14 - Step 5: Solve for x
x = 504,052,371,478.14/605,102.20 - Step 6: Final answer
x = 833,003.70
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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.