Finding the Fourth Proportional to 805,303.23, 1,212,748.31 and 701,376.99
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Solution
The fourth proportional to 805,303.23, 1,212,748.31 and 701,376.99 is: 1,056,240.34
Step by Step Solution
- Step 1: Write the proportion equation
805,303.23 : 1,212,748.31 = 701,376.99 : x - Step 2: Convert to fraction form
805,303.23/1,212,748.31 = 701,376.99/x - Step 3: Cross multiply
805,303.23x = 1,212,748.31 × 701,376.99 - Step 4: Simplify right side
805,303.23x = 850,593,755,788.50 - Step 5: Solve for x
x = 850,593,755,788.50/805,303.23 - Step 6: Final answer
x = 1,056,240.34
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.