Finding the Fourth Proportional to 747,853.81, 1,121,851.25 and 579,562.63
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Solution
The fourth proportional to 747,853.81, 1,121,851.25 and 579,562.63 is: 869,398.60
Step by Step Solution
- Step 1: Write the proportion equation
747,853.81 : 1,121,851.25 = 579,562.63 : x - Step 2: Convert to fraction form
747,853.81/1,121,851.25 = 579,562.63/x - Step 3: Cross multiply
747,853.81x = 1,121,851.25 × 579,562.63 - Step 4: Simplify right side
747,853.81x = 650,183,060,649.75 - Step 5: Solve for x
x = 650,183,060,649.75/747,853.81 - Step 6: Final answer
x = 869,398.60
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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.