Finding the Fourth Proportional to 572,655.55, 790,334.36 and 330,940.09
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Solution
The fourth proportional to 572,655.55, 790,334.36 and 330,940.09 is: 456,737.61
Step by Step Solution
- Step 1: Write the proportion equation
572,655.55 : 790,334.36 = 330,940.09 : x - Step 2: Convert to fraction form
572,655.55/790,334.36 = 330,940.09/x - Step 3: Cross multiply
572,655.55x = 790,334.36 × 330,940.09 - Step 4: Simplify right side
572,655.55x = 261,553,322,573.79 - Step 5: Solve for x
x = 261,553,322,573.79/572,655.55 - Step 6: Final answer
x = 456,737.61
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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.