Finding the Fourth Proportional to 558,503.76, 770,731.68 and 303,856.08
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Solution
The fourth proportional to 558,503.76, 770,731.68 and 303,856.08 is: 419,319.48
Step by Step Solution
- Step 1: Write the proportion equation
558,503.76 : 770,731.68 = 303,856.08 : x - Step 2: Convert to fraction form
558,503.76/770,731.68 = 303,856.08/x - Step 3: Cross multiply
558,503.76x = 770,731.68 × 303,856.08 - Step 4: Simplify right side
558,503.76x = 234,191,507,016.61 - Step 5: Solve for x
x = 234,191,507,016.61/558,503.76 - Step 6: Final answer
x = 419,319.48
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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.