Finding the Fourth Proportional to 1,146,315.50, 1,719,680.79 and 472,029.08
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Solution
The fourth proportional to 1,146,315.50, 1,719,680.79 and 472,029.08 is: 708,129.07
Step by Step Solution
- Step 1: Write the proportion equation
1,146,315.50 : 1,719,680.79 = 472,029.08 : x - Step 2: Convert to fraction form
1,146,315.50/1,719,680.79 = 472,029.08/x - Step 3: Cross multiply
1,146,315.50x = 1,719,680.79 × 472,029.08 - Step 4: Simplify right side
1,146,315.50x = 811,739,330,238.82 - Step 5: Solve for x
x = 811,739,330,238.82/1,146,315.50 - Step 6: Final answer
x = 708,129.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.