Finding the Fourth Proportional to 863,994.79, 1,296,570.76 and 358,556.23
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Solution
The fourth proportional to 863,994.79, 1,296,570.76 and 358,556.23 is: 538,074.45
Step by Step Solution
- Step 1: Write the proportion equation
863,994.79 : 1,296,570.76 = 358,556.23 : x - Step 2: Convert to fraction form
863,994.79/1,296,570.76 = 358,556.23/x - Step 3: Cross multiply
863,994.79x = 1,296,570.76 × 358,556.23 - Step 4: Simplify right side
863,994.79x = 464,893,523,633.84 - Step 5: Solve for x
x = 464,893,523,633.84/863,994.79 - Step 6: Final answer
x = 538,074.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.