Finding the Fourth Proportional to 840,257.24, 1,259,739.85 and 435,015.03
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Solution
The fourth proportional to 840,257.24, 1,259,739.85 and 435,015.03 is: 652,188.09
Step by Step Solution
- Step 1: Write the proportion equation
840,257.24 : 1,259,739.85 = 435,015.03 : x - Step 2: Convert to fraction form
840,257.24/1,259,739.85 = 435,015.03/x - Step 3: Cross multiply
840,257.24x = 1,259,739.85 × 435,015.03 - Step 4: Simplify right side
840,257.24x = 548,005,764,403.06 - Step 5: Solve for x
x = 548,005,764,403.06/840,257.24 - Step 6: Final answer
x = 652,188.09
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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.