Finding the Fourth Proportional to 558,563.36, 770,896.50 and 316,905.80
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Solution
The fourth proportional to 558,563.36, 770,896.50 and 316,905.80 is: 437,374.86
Step by Step Solution
- Step 1: Write the proportion equation
558,563.36 : 770,896.50 = 316,905.80 : x - Step 2: Convert to fraction form
558,563.36/770,896.50 = 316,905.80/x - Step 3: Cross multiply
558,563.36x = 770,896.50 × 316,905.80 - Step 4: Simplify right side
558,563.36x = 244,301,572,049.70 - Step 5: Solve for x
x = 244,301,572,049.70/558,563.36 - Step 6: Final answer
x = 437,374.86
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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.