Finding the Fourth Proportional to 571,924.08, 789,349.84 and 317,357.28
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Solution
The fourth proportional to 571,924.08, 789,349.84 and 317,357.28 is: 438,005.54
Step by Step Solution
- Step 1: Write the proportion equation
571,924.08 : 789,349.84 = 317,357.28 : x - Step 2: Convert to fraction form
571,924.08/789,349.84 = 317,357.28/x - Step 3: Cross multiply
571,924.08x = 789,349.84 × 317,357.28 - Step 4: Simplify right side
571,924.08x = 250,505,918,190.84 - Step 5: Solve for x
x = 250,505,918,190.84/571,924.08 - Step 6: Final answer
x = 438,005.54
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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.