Finding the Fourth Proportional to 763,222.91, 1,053,124.94 and 440,975.75
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Solution
The fourth proportional to 763,222.91, 1,053,124.94 and 440,975.75 is: 608,475.65
Step by Step Solution
- Step 1: Write the proportion equation
763,222.91 : 1,053,124.94 = 440,975.75 : x - Step 2: Convert to fraction form
763,222.91/1,053,124.94 = 440,975.75/x - Step 3: Cross multiply
763,222.91x = 1,053,124.94 × 440,975.75 - Step 4: Simplify right side
763,222.91x = 464,402,556,097.02 - Step 5: Solve for x
x = 464,402,556,097.02/763,222.91 - Step 6: Final answer
x = 608,475.65
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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.