Finding the Fourth Proportional to 635,075.19, 951,263.35 and 430,034.42
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Solution
The fourth proportional to 635,075.19, 951,263.35 and 430,034.42 is: 644,137.88
Step by Step Solution
- Step 1: Write the proportion equation
635,075.19 : 951,263.35 = 430,034.42 : x - Step 2: Convert to fraction form
635,075.19/951,263.35 = 430,034.42/x - Step 3: Cross multiply
635,075.19x = 951,263.35 × 430,034.42 - Step 4: Simplify right side
635,075.19x = 409,075,984,287.58 - Step 5: Solve for x
x = 409,075,984,287.58/635,075.19 - Step 6: Final answer
x = 644,137.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.