Finding the Fourth Proportional to 685,237.08, 1,027,264.56 and 329,762.08
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Solution
The fourth proportional to 685,237.08, 1,027,264.56 and 329,762.08 is: 494,358.68
Step by Step Solution
- Step 1: Write the proportion equation
685,237.08 : 1,027,264.56 = 329,762.08 : x - Step 2: Convert to fraction form
685,237.08/1,027,264.56 = 329,762.08/x - Step 3: Cross multiply
685,237.08x = 1,027,264.56 × 329,762.08 - Step 4: Simplify right side
685,237.08x = 338,752,898,015.89 - Step 5: Solve for x
x = 338,752,898,015.89/685,237.08 - Step 6: Final answer
x = 494,358.68
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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.