Finding the Fourth Proportional to 791,742.94, 1,186,903.26 and 386,705.99
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Solution
The fourth proportional to 791,742.94, 1,186,903.26 and 386,705.99 is: 579,711.64
Step by Step Solution
- Step 1: Write the proportion equation
791,742.94 : 1,186,903.26 = 386,705.99 : x - Step 2: Convert to fraction form
791,742.94/1,186,903.26 = 386,705.99/x - Step 3: Cross multiply
791,742.94x = 1,186,903.26 × 386,705.99 - Step 4: Simplify right side
791,742.94x = 458,982,596,483.46 - Step 5: Solve for x
x = 458,982,596,483.46/791,742.94 - Step 6: Final answer
x = 579,711.64
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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.