Finding the Fourth Proportional to 994,995.76, 1,373,130.84 and 565,349.08
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Solution
The fourth proportional to 994,995.76, 1,373,130.84 and 565,349.08 is: 780,202.58
Step by Step Solution
- Step 1: Write the proportion equation
994,995.76 : 1,373,130.84 = 565,349.08 : x - Step 2: Convert to fraction form
994,995.76/1,373,130.84 = 565,349.08/x - Step 3: Cross multiply
994,995.76x = 1,373,130.84 × 565,349.08 - Step 4: Simplify right side
994,995.76x = 776,298,257,113.63 - Step 5: Solve for x
x = 776,298,257,113.63/994,995.76 - Step 6: Final answer
x = 780,202.58
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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.