Finding the Fourth Proportional to 665,980.24, 919,051.26 and 360,056.68
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Solution
The fourth proportional to 665,980.24, 919,051.26 and 360,056.68 is: 496,877.42
Step by Step Solution
- Step 1: Write the proportion equation
665,980.24 : 919,051.26 = 360,056.68 : x - Step 2: Convert to fraction form
665,980.24/919,051.26 = 360,056.68/x - Step 3: Cross multiply
665,980.24x = 919,051.26 × 360,056.68 - Step 4: Simplify right side
665,980.24x = 330,910,545,425.42 - Step 5: Solve for x
x = 330,910,545,425.42/665,980.24 - Step 6: Final answer
x = 496,877.42
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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.