Finding the Fourth Proportional to 556,869.76, 768,347.14 and 339,075.88
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Solution
The fourth proportional to 556,869.76, 768,347.14 and 339,075.88 is: 467,843.65
Step by Step Solution
- Step 1: Write the proportion equation
556,869.76 : 768,347.14 = 339,075.88 : x - Step 2: Convert to fraction form
556,869.76/768,347.14 = 339,075.88/x - Step 3: Cross multiply
556,869.76x = 768,347.14 × 339,075.88 - Step 4: Simplify right side
556,869.76x = 260,527,982,640.98 - Step 5: Solve for x
x = 260,527,982,640.98/556,869.76 - Step 6: Final answer
x = 467,843.65
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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.