Finding the Fourth Proportional to 1,490,576.56, 2,235,865.53 and 479,698.38
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Solution
The fourth proportional to 1,490,576.56, 2,235,865.53 and 479,698.38 is: 719,547.79
Step by Step Solution
- Step 1: Write the proportion equation
1,490,576.56 : 2,235,865.53 = 479,698.38 : x - Step 2: Convert to fraction form
1,490,576.56/2,235,865.53 = 479,698.38/x - Step 3: Cross multiply
1,490,576.56x = 2,235,865.53 × 479,698.38 - Step 4: Simplify right side
1,490,576.56x = 1,072,541,072,638.84 - Step 5: Solve for x
x = 1,072,541,072,638.84/1,490,576.56 - Step 6: Final answer
x = 719,547.79
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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.