Finding the Fourth Proportional to 980,484.42, 1,353,215.79 and 598,731.42
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Solution
The fourth proportional to 980,484.42, 1,353,215.79 and 598,731.42 is: 826,339.30
Step by Step Solution
- Step 1: Write the proportion equation
980,484.42 : 1,353,215.79 = 598,731.42 : x - Step 2: Convert to fraction form
980,484.42/1,353,215.79 = 598,731.42/x - Step 3: Cross multiply
980,484.42x = 1,353,215.79 × 598,731.42 - Step 4: Simplify right side
980,484.42x = 810,212,811,513.12 - Step 5: Solve for x
x = 810,212,811,513.12/980,484.42 - Step 6: Final answer
x = 826,339.30
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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.