Finding the Fourth Proportional to 998,580.75, 1,378,041.44 and 545,871.75
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Solution
The fourth proportional to 998,580.75, 1,378,041.44 and 545,871.75 is: 753,303.02
Step by Step Solution
- Step 1: Write the proportion equation
998,580.75 : 1,378,041.44 = 545,871.75 : x - Step 2: Convert to fraction form
998,580.75/1,378,041.44 = 545,871.75/x - Step 3: Cross multiply
998,580.75x = 1,378,041.44 × 545,871.75 - Step 4: Simplify right side
998,580.75x = 752,233,889,695.96 - Step 5: Solve for x
x = 752,233,889,695.96/998,580.75 - Step 6: Final answer
x = 753,303.02
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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.