Finding the Fourth Proportional to 913,343.98, 1,259,582.15 and 784,241.95
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Solution
The fourth proportional to 913,343.98, 1,259,582.15 and 784,241.95 is: 1,081,539.03
Step by Step Solution
- Step 1: Write the proportion equation
913,343.98 : 1,259,582.15 = 784,241.95 : x - Step 2: Convert to fraction form
913,343.98/1,259,582.15 = 784,241.95/x - Step 3: Cross multiply
913,343.98x = 1,259,582.15 × 784,241.95 - Step 4: Simplify right side
913,343.98x = 987,817,158,263.20 - Step 5: Solve for x
x = 987,817,158,263.20/913,343.98 - Step 6: Final answer
x = 1,081,539.03
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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.