Finding the Fourth Proportional to 883,913.07, 1,219,800.21 and 481,505.07
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Solution
The fourth proportional to 883,913.07, 1,219,800.21 and 481,505.07 is: 664,477.09
Step by Step Solution
- Step 1: Write the proportion equation
883,913.07 : 1,219,800.21 = 481,505.07 : x - Step 2: Convert to fraction form
883,913.07/1,219,800.21 = 481,505.07/x - Step 3: Cross multiply
883,913.07x = 1,219,800.21 × 481,505.07 - Step 4: Simplify right side
883,913.07x = 587,339,985,502.07 - Step 5: Solve for x
x = 587,339,985,502.07/883,913.07 - Step 6: Final answer
x = 664,477.09
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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.