Finding the Fourth Proportional to 649,027.44, 972,376.38 and 396,177.84
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Solution
The fourth proportional to 649,027.44, 972,376.38 and 396,177.84 is: 593,555.76
Step by Step Solution
- Step 1: Write the proportion equation
649,027.44 : 972,376.38 = 396,177.84 : x - Step 2: Convert to fraction form
649,027.44/972,376.38 = 396,177.84/x - Step 3: Cross multiply
649,027.44x = 972,376.38 × 396,177.84 - Step 4: Simplify right side
649,027.44x = 385,233,973,895.42 - Step 5: Solve for x
x = 385,233,973,895.42/649,027.44 - Step 6: Final answer
x = 593,555.76
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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.