Finding the Fourth Proportional to 563,075.05, 777,039.70 and 304,946.06
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Solution
The fourth proportional to 563,075.05, 777,039.70 and 304,946.06 is: 420,823.47
Step by Step Solution
- Step 1: Write the proportion equation
563,075.05 : 777,039.70 = 304,946.06 : x - Step 2: Convert to fraction form
563,075.05/777,039.70 = 304,946.06/x - Step 3: Cross multiply
563,075.05x = 777,039.70 × 304,946.06 - Step 4: Simplify right side
563,075.05x = 236,955,194,978.58 - Step 5: Solve for x
x = 236,955,194,978.58/563,075.05 - Step 6: Final answer
x = 420,823.47
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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.