Finding the Fourth Proportional to 415,214.70, 569,258.91 and 407,647.68
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Solution
The fourth proportional to 415,214.70, 569,258.91 and 407,647.68 is: 558,884.53
Step by Step Solution
- Step 1: Write the proportion equation
415,214.70 : 569,258.91 = 407,647.68 : x - Step 2: Convert to fraction form
415,214.70/569,258.91 = 407,647.68/x - Step 3: Cross multiply
415,214.70x = 569,258.91 × 407,647.68 - Step 4: Simplify right side
415,214.70x = 232,057,073,980.83 - Step 5: Solve for x
x = 232,057,073,980.83/415,214.70 - Step 6: Final answer
x = 558,884.53
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.