Finding the Fourth Proportional to 563,053.26, 777,026.13 and 321,331.02
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Solution
The fourth proportional to 563,053.26, 777,026.13 and 321,331.02 is: 443,444.02
Step by Step Solution
- Step 1: Write the proportion equation
563,053.26 : 777,026.13 = 321,331.02 : x - Step 2: Convert to fraction form
563,053.26/777,026.13 = 321,331.02/x - Step 3: Cross multiply
563,053.26x = 777,026.13 × 321,331.02 - Step 4: Simplify right side
563,053.26x = 249,682,598,919.55 - Step 5: Solve for x
x = 249,682,598,919.55/563,053.26 - Step 6: Final answer
x = 443,444.02
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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.