Finding the Fourth Proportional to 956,638.06, 1,320,220.34 and 526,918.07
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Solution
The fourth proportional to 956,638.06, 1,320,220.34 and 526,918.07 is: 727,179.88
Step by Step Solution
- Step 1: Write the proportion equation
956,638.06 : 1,320,220.34 = 526,918.07 : x - Step 2: Convert to fraction form
956,638.06/1,320,220.34 = 526,918.07/x - Step 3: Cross multiply
956,638.06x = 1,320,220.34 × 526,918.07 - Step 4: Simplify right side
956,638.06x = 695,647,953,527.54 - Step 5: Solve for x
x = 695,647,953,527.54/956,638.06 - Step 6: Final answer
x = 727,179.88
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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.