Finding the Fourth Proportional to 558,289.64, 770,443.35 and 303,642.68
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Solution
The fourth proportional to 558,289.64, 770,443.35 and 303,642.68 is: 419,028.88
Step by Step Solution
- Step 1: Write the proportion equation
558,289.64 : 770,443.35 = 303,642.68 : x - Step 2: Convert to fraction form
558,289.64/770,443.35 = 303,642.68/x - Step 3: Cross multiply
558,289.64x = 770,443.35 × 303,642.68 - Step 4: Simplify right side
558,289.64x = 233,939,483,582.18 - Step 5: Solve for x
x = 233,939,483,582.18/558,289.64 - Step 6: Final answer
x = 419,028.88
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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.