Finding the Fourth Proportional to 756,038.20, 1,134,575.70 and 335,615.80
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Solution
The fourth proportional to 756,038.20, 1,134,575.70 and 335,615.80 is: 503,653.82
Step by Step Solution
- Step 1: Write the proportion equation
756,038.20 : 1,134,575.70 = 335,615.80 : x - Step 2: Convert to fraction form
756,038.20/1,134,575.70 = 335,615.80/x - Step 3: Cross multiply
756,038.20x = 1,134,575.70 × 335,615.80 - Step 4: Simplify right side
756,038.20x = 380,781,531,216.06 - Step 5: Solve for x
x = 380,781,531,216.06/756,038.20 - Step 6: Final answer
x = 503,653.82
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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.