Finding the Fourth Proportional to 500,867.68, 749,505.66 and 433,630.99
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Solution
The fourth proportional to 500,867.68, 749,505.66 and 433,630.99 is: 648,891.70
Step by Step Solution
- Step 1: Write the proportion equation
500,867.68 : 749,505.66 = 433,630.99 : x - Step 2: Convert to fraction form
500,867.68/749,505.66 = 433,630.99/x - Step 3: Cross multiply
500,867.68x = 749,505.66 × 433,630.99 - Step 4: Simplify right side
500,867.68x = 325,008,878,890.37 - Step 5: Solve for x
x = 325,008,878,890.37/500,867.68 - Step 6: Final answer
x = 648,891.70
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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.