Finding the Fourth Proportional to 559,749.62, 772,454.69 and 318,032.51
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Solution
The fourth proportional to 559,749.62, 772,454.69 and 318,032.51 is: 438,884.99
Step by Step Solution
- Step 1: Write the proportion equation
559,749.62 : 772,454.69 = 318,032.51 : x - Step 2: Convert to fraction form
559,749.62/772,454.69 = 318,032.51/x - Step 3: Cross multiply
559,749.62x = 772,454.69 × 318,032.51 - Step 4: Simplify right side
559,749.62x = 245,665,703,921.97 - Step 5: Solve for x
x = 245,665,703,921.97/559,749.62 - Step 6: Final answer
x = 438,884.99
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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.