Finding the Fourth Proportional to 558,181.71, 770,311.04 and 319,763.79
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Solution
The fourth proportional to 558,181.71, 770,311.04 and 319,763.79 is: 441,285.65
Step by Step Solution
- Step 1: Write the proportion equation
558,181.71 : 770,311.04 = 319,763.79 : x - Step 2: Convert to fraction form
558,181.71/770,311.04 = 319,763.79/x - Step 3: Cross multiply
558,181.71x = 770,311.04 × 319,763.79 - Step 4: Simplify right side
558,181.71x = 246,317,576,030.42 - Step 5: Solve for x
x = 246,317,576,030.42/558,181.71 - Step 6: Final answer
x = 441,285.65
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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.