Finding the Fourth Proportional to 882,783.28, 1,323,256.35 and 409,079.08
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Solution
The fourth proportional to 882,783.28, 1,323,256.35 and 409,079.08 is: 613,192.96
Step by Step Solution
- Step 1: Write the proportion equation
882,783.28 : 1,323,256.35 = 409,079.08 : x - Step 2: Convert to fraction form
882,783.28/1,323,256.35 = 409,079.08/x - Step 3: Cross multiply
882,783.28x = 1,323,256.35 × 409,079.08 - Step 4: Simplify right side
882,783.28x = 541,316,490,262.16 - Step 5: Solve for x
x = 541,316,490,262.16/882,783.28 - Step 6: Final answer
x = 613,192.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.