Finding the Fourth Proportional to 559,682.99, 772,313.66 and 311,277.38
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Solution
The fourth proportional to 559,682.99, 772,313.66 and 311,277.38 is: 429,535.60
Step by Step Solution
- Step 1: Write the proportion equation
559,682.99 : 772,313.66 = 311,277.38 : x - Step 2: Convert to fraction form
559,682.99/772,313.66 = 311,277.38/x - Step 3: Cross multiply
559,682.99x = 772,313.66 × 311,277.38 - Step 4: Simplify right side
559,682.99x = 240,403,767,205.06 - Step 5: Solve for x
x = 240,403,767,205.06/559,682.99 - Step 6: Final answer
x = 429,535.60
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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.