Finding the Fourth Proportional to 541,646.14, 747,470.53 and 312,201.88
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Solution
The fourth proportional to 541,646.14, 747,470.53 and 312,201.88 is: 430,837.94
Step by Step Solution
- Step 1: Write the proportion equation
541,646.14 : 747,470.53 = 312,201.88 : x - Step 2: Convert to fraction form
541,646.14/747,470.53 = 312,201.88/x - Step 3: Cross multiply
541,646.14x = 747,470.53 × 312,201.88 - Step 4: Simplify right side
541,646.14x = 233,361,704,710.60 - Step 5: Solve for x
x = 233,361,704,710.60/541,646.14 - Step 6: Final answer
x = 430,837.94
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1.5x scale
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.