Finding the Fourth Proportional to 752,260.34, 1,038,120.64 and 412,731.02
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Solution
The fourth proportional to 752,260.34, 1,038,120.64 and 412,731.02 is: 569,569.56
Step by Step Solution
- Step 1: Write the proportion equation
752,260.34 : 1,038,120.64 = 412,731.02 : x - Step 2: Convert to fraction form
752,260.34/1,038,120.64 = 412,731.02/x - Step 3: Cross multiply
752,260.34x = 1,038,120.64 × 412,731.02 - Step 4: Simplify right side
752,260.34x = 428,464,590,630.25 - Step 5: Solve for x
x = 428,464,590,630.25/752,260.34 - Step 6: Final answer
x = 569,569.56
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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.