Finding the Fourth Proportional to 559,778.92, 772,465.76 and 318,027.94
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Solution
The fourth proportional to 559,778.92, 772,465.76 and 318,027.94 is: 438,862.00
Step by Step Solution
- Step 1: Write the proportion equation
559,778.92 : 772,465.76 = 318,027.94 : x - Step 2: Convert to fraction form
559,778.92/772,465.76 = 318,027.94/x - Step 3: Cross multiply
559,778.92x = 772,465.76 × 318,027.94 - Step 4: Simplify right side
559,778.92x = 245,665,693,833.54 - Step 5: Solve for x
x = 245,665,693,833.54/559,778.92 - Step 6: Final answer
x = 438,862.00
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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.