Finding the Fourth Proportional to 535,936.74, 739,564.86 and 318,154.44
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Solution
The fourth proportional to 535,936.74, 739,564.86 and 318,154.44 is: 439,036.60
Step by Step Solution
- Step 1: Write the proportion equation
535,936.74 : 739,564.86 = 318,154.44 : x - Step 2: Convert to fraction form
535,936.74/739,564.86 = 318,154.44/x - Step 3: Cross multiply
535,936.74x = 739,564.86 × 318,154.44 - Step 4: Simplify right side
535,936.74x = 235,295,843,876.98 - Step 5: Solve for x
x = 235,295,843,876.98/535,936.74 - Step 6: Final answer
x = 439,036.60
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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.