Finding the Fourth Proportional to 719,257.20, 1,078,027.84 and 334,486.68
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Solution
The fourth proportional to 719,257.20, 1,078,027.84 and 334,486.68 is: 501,331.03
Step by Step Solution
- Step 1: Write the proportion equation
719,257.20 : 1,078,027.84 = 334,486.68 : x - Step 2: Convert to fraction form
719,257.20/1,078,027.84 = 334,486.68/x - Step 3: Cross multiply
719,257.20x = 1,078,027.84 × 334,486.68 - Step 4: Simplify right side
719,257.20x = 360,585,953,149.17 - Step 5: Solve for x
x = 360,585,953,149.17/719,257.20 - Step 6: Final answer
x = 501,331.03
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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.