Finding the Fourth Proportional to 1,490,576.12, 2,235,864.87 and 479,697.95
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Solution
The fourth proportional to 1,490,576.12, 2,235,864.87 and 479,697.95 is: 719,547.14
Step by Step Solution
- Step 1: Write the proportion equation
1,490,576.12 : 2,235,864.87 = 479,697.95 : x - Step 2: Convert to fraction form
1,490,576.12/2,235,864.87 = 479,697.95/x - Step 3: Cross multiply
1,490,576.12x = 2,235,864.87 × 479,697.95 - Step 4: Simplify right side
1,490,576.12x = 1,072,539,787,628.94 - Step 5: Solve for x
x = 1,072,539,787,628.94/1,490,576.12 - Step 6: Final answer
x = 719,547.14
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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.