Finding the Fourth Proportional to 772,749.36, 1,066,393.40 and 433,217.68
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Solution
The fourth proportional to 772,749.36, 1,066,393.40 and 433,217.68 is: 597,840.00
Step by Step Solution
- Step 1: Write the proportion equation
772,749.36 : 1,066,393.40 = 433,217.68 : x - Step 2: Convert to fraction form
772,749.36/1,066,393.40 = 433,217.68/x - Step 3: Cross multiply
772,749.36x = 1,066,393.40 × 433,217.68 - Step 4: Simplify right side
772,749.36x = 461,980,474,715.31 - Step 5: Solve for x
x = 461,980,474,715.31/772,749.36 - Step 6: Final answer
x = 597,840.00
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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.