Finding the Fourth Proportional to 901,261.68, 1,243,703.61 and 493,353.39
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Solution
The fourth proportional to 901,261.68, 1,243,703.61 and 493,353.39 is: 680,807.15
Step by Step Solution
- Step 1: Write the proportion equation
901,261.68 : 1,243,703.61 = 493,353.39 : x - Step 2: Convert to fraction form
901,261.68/1,243,703.61 = 493,353.39/x - Step 3: Cross multiply
901,261.68x = 1,243,703.61 × 493,353.39 - Step 4: Simplify right side
901,261.68x = 613,585,392,148.74 - Step 5: Solve for x
x = 613,585,392,148.74/901,261.68 - Step 6: Final answer
x = 680,807.15
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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.