Finding the Fourth Proportional to 742,063.83, 1,024,048.42 and 419,767.08
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Solution
The fourth proportional to 742,063.83, 1,024,048.42 and 419,767.08 is: 579,278.76
Step by Step Solution
- Step 1: Write the proportion equation
742,063.83 : 1,024,048.42 = 419,767.08 : x - Step 2: Convert to fraction form
742,063.83/1,024,048.42 = 419,767.08/x - Step 3: Cross multiply
742,063.83x = 1,024,048.42 × 419,767.08 - Step 4: Simplify right side
742,063.83x = 429,861,813,992.60 - Step 5: Solve for x
x = 429,861,813,992.60/742,063.83 - Step 6: Final answer
x = 579,278.76
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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.