Finding the Fourth Proportional to 811,761.94, 1,217,282.96 and 432,612.00
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Solution
The fourth proportional to 811,761.94, 1,217,282.96 and 432,612.00 is: 648,726.17
Step by Step Solution
- Step 1: Write the proportion equation
811,761.94 : 1,217,282.96 = 432,612.00 : x - Step 2: Convert to fraction form
811,761.94/1,217,282.96 = 432,612.00/x - Step 3: Cross multiply
811,761.94x = 1,217,282.96 × 432,612.00 - Step 4: Simplify right side
811,761.94x = 526,611,212,332.72 - Step 5: Solve for x
x = 526,611,212,332.72/811,761.94 - Step 6: Final answer
x = 648,726.17
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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.