Finding the Fourth Proportional to 558,370.98, 770,688.81 and 316,794.96
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Solution
The fourth proportional to 558,370.98, 770,688.81 and 316,794.96 is: 437,254.69
Step by Step Solution
- Step 1: Write the proportion equation
558,370.98 : 770,688.81 = 316,794.96 : x - Step 2: Convert to fraction form
558,370.98/770,688.81 = 316,794.96/x - Step 3: Cross multiply
558,370.98x = 770,688.81 × 316,794.96 - Step 4: Simplify right side
558,370.98x = 244,150,330,736.40 - Step 5: Solve for x
x = 244,150,330,736.40/558,370.98 - Step 6: Final answer
x = 437,254.69
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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.