Finding the Fourth Proportional to 758,976.48, 1,047,358.35 and 436,790.07
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Solution
The fourth proportional to 758,976.48, 1,047,358.35 and 436,790.07 is: 602,753.50
Step by Step Solution
- Step 1: Write the proportion equation
758,976.48 : 1,047,358.35 = 436,790.07 : x - Step 2: Convert to fraction form
758,976.48/1,047,358.35 = 436,790.07/x - Step 3: Cross multiply
758,976.48x = 1,047,358.35 × 436,790.07 - Step 4: Simplify right side
758,976.48x = 457,475,727,011.59 - Step 5: Solve for x
x = 457,475,727,011.59/758,976.48 - Step 6: Final answer
x = 602,753.50
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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.