Finding the Fourth Proportional to 986,680.35, 1,361,623.10 and 533,971.35
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Solution
The fourth proportional to 986,680.35, 1,361,623.10 and 533,971.35 is: 736,882.74
Step by Step Solution
- Step 1: Write the proportion equation
986,680.35 : 1,361,623.10 = 533,971.35 : x - Step 2: Convert to fraction form
986,680.35/1,361,623.10 = 533,971.35/x - Step 3: Cross multiply
986,680.35x = 1,361,623.10 × 533,971.35 - Step 4: Simplify right side
986,680.35x = 727,067,722,228.33 - Step 5: Solve for x
x = 727,067,722,228.33/986,680.35 - Step 6: Final answer
x = 736,882.74
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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.