Finding the Fourth Proportional to 777,438.37, 1,072,823.56 and 437,884.75
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Solution
The fourth proportional to 777,438.37, 1,072,823.56 and 437,884.75 is: 604,257.64
Step by Step Solution
- Step 1: Write the proportion equation
777,438.37 : 1,072,823.56 = 437,884.75 : x - Step 2: Convert to fraction form
777,438.37/1,072,823.56 = 437,884.75/x - Step 3: Cross multiply
777,438.37x = 1,072,823.56 × 437,884.75 - Step 4: Simplify right side
777,438.37x = 469,773,076,364.71 - Step 5: Solve for x
x = 469,773,076,364.71/777,438.37 - Step 6: Final answer
x = 604,257.64
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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.