Finding the Fourth Proportional to 563,075.80, 777,040.74 and 304,946.80
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Solution
The fourth proportional to 563,075.80, 777,040.74 and 304,946.80 is: 420,824.49
Step by Step Solution
- Step 1: Write the proportion equation
563,075.80 : 777,040.74 = 304,946.80 : x - Step 2: Convert to fraction form
563,075.80/777,040.74 = 304,946.80/x - Step 3: Cross multiply
563,075.80x = 777,040.74 × 304,946.80 - Step 4: Simplify right side
563,075.80x = 236,956,087,132.63 - Step 5: Solve for x
x = 236,956,087,132.63/563,075.80 - Step 6: Final answer
x = 420,824.49
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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.