Finding the Fourth Proportional to 819,735.78, 1,221,454.64 and 730,302.06
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Solution
The fourth proportional to 819,735.78, 1,221,454.64 and 730,302.06 is: 1,088,193.12
Step by Step Solution
- Step 1: Write the proportion equation
819,735.78 : 1,221,454.64 = 730,302.06 : x - Step 2: Convert to fraction form
819,735.78/1,221,454.64 = 730,302.06/x - Step 3: Cross multiply
819,735.78x = 1,221,454.64 × 730,302.06 - Step 4: Simplify right side
819,735.78x = 892,030,839,788.56 - Step 5: Solve for x
x = 892,030,839,788.56/819,735.78 - Step 6: Final answer
x = 1,088,193.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.