Finding the Fourth Proportional to 855,709.02, 1,283,486.99 and 256,803.93
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Solution
The fourth proportional to 855,709.02, 1,283,486.99 and 256,803.93 is: 385,182.92
Step by Step Solution
- Step 1: Write the proportion equation
855,709.02 : 1,283,486.99 = 256,803.93 : x - Step 2: Convert to fraction form
855,709.02/1,283,486.99 = 256,803.93/x - Step 3: Cross multiply
855,709.02x = 1,283,486.99 × 256,803.93 - Step 4: Simplify right side
855,709.02x = 329,604,501,851.85 - Step 5: Solve for x
x = 329,604,501,851.85/855,709.02 - Step 6: Final answer
x = 385,182.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.