Finding the Fourth Proportional to 479,400.01, 719,124.80 and 455,158.26
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Solution
The fourth proportional to 479,400.01, 719,124.80 and 455,158.26 is: 682,760.92
Step by Step Solution
- Step 1: Write the proportion equation
479,400.01 : 719,124.80 = 455,158.26 : x - Step 2: Convert to fraction form
479,400.01/719,124.80 = 455,158.26/x - Step 3: Cross multiply
479,400.01x = 719,124.80 × 455,158.26 - Step 4: Simplify right side
479,400.01x = 327,315,590,415.06 - Step 5: Solve for x
x = 327,315,590,415.06/479,400.01 - Step 6: Final answer
x = 682,760.92
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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.