Finding the Fourth Proportional to 563,053.68, 777,014.28 and 308,409.12
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Solution
The fourth proportional to 563,053.68, 777,014.28 and 308,409.12 is: 425,604.70
Step by Step Solution
- Step 1: Write the proportion equation
563,053.68 : 777,014.28 = 308,409.12 : x - Step 2: Convert to fraction form
563,053.68/777,014.28 = 308,409.12/x - Step 3: Cross multiply
563,053.68x = 777,014.28 × 308,409.12 - Step 4: Simplify right side
563,053.68x = 239,638,290,322.23 - Step 5: Solve for x
x = 239,638,290,322.23/563,053.68 - Step 6: Final answer
x = 425,604.70
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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.